Future Diary/Characters

Yukiteru Amano - The 1st
"Voiced by Misuzu Togashi"



A timid boy who views life as though he were a casual bystander. His "Indifference Diary" records future observations about everything and everyone around him, although it usually doesn't record any information about himself except for his DEAD END. At first he's unwilling to participate in the Diary game, but Deus still considers him the favorite to win. Has an...interesting relationship with Yuno.


 * Adorkable
 * Anti-Hero: Starts out as a Type I Anti Hero,
 * Badass Adorable
 * Battle Couple: With Yuno.
 * Berserk Button: Whenever his parents are harmed, Yuki can go quite crazy.
 * Beware the Nice Ones
 * Blue Eyes
 * Break the Cutie
 * Cross-Dressing Voices
 * Cute Shotaro Boy
 * Designated Victim: Considers himself this in early chapters, often being put in situations he does not want to be in. This trope comes and goes over the course of the story.
 * Disappeared Dad: His parents got a divorce and his father left him years ago. He came back though.
 * Easily Forgiven: Yuki's quite trusting of others and willing to give second chances, especially towards Yuno. A lot.
 * Even the Guys Want Him: Aru Akise so does.
 * Expy: of Shinji Ikari.
 * Extreme Doormat: Initially. Not so much anymore.
 * Grew a Spine
 * The Hero
 * Heroic BSOD:
 * I Just Want to Have Friends
 * Improbable Weapon User: With hand darts!
 * Improbable Aiming Skills
 * Kick the Dog: Happens several times to Yuki. Most notably when,
 * Kid with the Leash: The only one who can ground Yuno in anyway.
 * Meaningful Name: His last name contains the kanji for "heaven" and can be read as heavenly field. It's fitting, considering his first name is a corruption of "Jupiter", the Roman God of Gods.
 * : His eventual reason for trying to win the game.
 * Nice Hat
 * Non-Action Guy: At first.
 * Only Sane Man: Until his level in badass, anyway.
 * The Protagonist
 * Say My Name: When turns down the opportunity to go stargazing.
 * Spanner in the Works:
 * Spell My Name with an "S": Yuno calls him "Yuki" or "Yukki", depending on which version you're reading.
 * In messages and diary entries, ユッキ― is normally used, which is romanized as "Yukkii".
 * Tears of Fear: He tends to do this often in the beginning.
 * Took a Level In Badass: Hey, it was bound to happen eventually. He ditches the darts in favor of a machine gun, for one.
 * Useless Protagonist: He lets Yuno do most of the fighting in the beginning.
 * Weak but Skilled: For a long time he's not much of a fighter, but Yuki is arguably the most skilled at using his diary both in and out of combat.
 * In messages and diary entries, ユッキ― is normally used, which is romanized as "Yukkii".
 * Tears of Fear: He tends to do this often in the beginning.
 * Took a Level In Badass: Hey, it was bound to happen eventually. He ditches the darts in favor of a machine gun, for one.
 * Useless Protagonist: He lets Yuno do most of the fighting in the beginning.
 * Weak but Skilled: For a long time he's not much of a fighter, but Yuki is arguably the most skilled at using his diary both in and out of combat.
 * Weak but Skilled: For a long time he's not much of a fighter, but Yuki is arguably the most skilled at using his diary both in and out of combat.

Yuno Gasai - The 2nd
"Voiced by Tomosa Murata"

A classmate of Yuki's who's obsessively stalking him, claiming to be madly in love with him. Her "Yukiteru Diary" tells her what's happening to Yuki at every 10-minute interval, and won't show anything unrelated to him except for her own DEAD END. Since Yuki's diary records everything except what happens to him, the two of them presumably make a formidable team. If only she was more comforting to be around...


 * Abduction Is Love:
 * Abusive Parents:
 * Parental Neglect:
 * Always Save The Guy
 * The All Solving Hammer:
 * Anti-Villain
 * Aren't You Going to Ravish Me?: Played with in chapter 10.
 * Axe Crazy: Especially when she thinks her relationship with Yukiteru is threatened.
 * Badass Adorable
 * Battle Couple: With Yuki.
 * Because You Were Nice to Me: Yuno's devotion to Yukiteru stems from him jokingly making a marriage proposal to her.
 * Berserk Button: Threaten or harm Yukiteru in any way, and Yuno goes into an Unstoppable Rage that you will most likely not survive. And should you kiss Yukiteru right in front of her, you will die.
 * Beware the Nice Ones: She's described as a model student, everybody likes her, and all the boys are crazy about her. Except the one she's stalking, of course.
 * Charles Atlas Superpower: In the manga at least, her fighting experience made her strong enough to cut grown men  in half with a sword. In one case she is shown cutting a man in half while holding her sword with one hand.
 * Clingy Jealous Girl: She won't let anyone, male or female, get close to her beloved Yuki. Yuki's mother is a notable lucky one, since she was nice to Yuno and approved of their relationship.
 * Curtains Match the Window: Pink hair and eyes.
 * Dark Action Girl
 * Action Girlfriend: Declares herself such to Yukiteru and eventually it just sticks.
 * Deuteragonist
 * Dull Eyes of Psychosis In episode 11 of the anime when.
 * Elevator Snare: In their first meeting, Yuno forces her way into an elevator, corners the terrified Yuki, and then gives him his First Kiss. Cue the Uncomfortable Elevator Moment, at least for Yuki.
 * Evil Laugh: Yuno just can't help herself from laughing her butt off when she succeeds at manipulating Yuki into killing Hinata.
 * Evil Sounds Deep: Much like B.B. Hood/ Bulleta, Yuno goes from squeaky and adorable to guttural and menacing whenever she's incredibly pissed.
 * Feminine Women Can Cook: Uses it to impress Yukiteru's mother. How feminine she is is up for debate though, considering
 * Foot Focus: After a long day, Yuno comes home and ditches her shoes to relax barefoot... only to get attacked by a 4-year-old kid who gasses her house. Unfortunately, Yuno can't get her shoes because the kid could strike while her guard's down, so she has no choice but to stay barefoot- which the kid exploits. He smashes a lamp on the stairwell for a jolt of raw electricity... which conducts itself into the oily soles of Yuno's feet, giving her a nasty sting. Then, he tricks Yuno into running after him. Careless, she misses a trap laid on the floor- and mashes her bare feet right onto a patch of thumbtacks. If Yuno's smart, she'll probably make sure to wear slippers at home from now on.
 * Girl with Psycho Weapon: Though, unlike other Yanderes, she doesn't seem to have an iconic weapon.
 * She is most commonly portrayed with the axe that she wields in the battle against Number 6, though.
 * Girlish Pigtails
 * Go Through Me: Yuno is more than willing to put herself on the line to protect Yuki.
 * Green-Eyed Monster: She already showed signs of this before the games began.
 * I Want My Beloved to Be Happy: She says she's willing to die for Yuki to ensure he wins the game, and even offers to let him kill her.
 * I'll Kill You!:
 * Karma Houdini: She has racked up the highest body count in the entire series.  Yet   And she hasn't been punished for this and even if she's yelled at, it doesn't last long.
 * Knife Nut: When a psycho toddler has it in for her, gasses the house, shocks her with a broken lamp, and wounds her inconveniently bare feet with thumbtacks, she finally reaches into the kitchen drawers and grabs the sharpest knife she sees for a showdown with the brat.
 * Lack of Empathy: To everyone other than Yukiteru.
 * Lightning Bruiser: She is faster than most characters and hits very hard.
 * Love At First Sight: How she fell in love and got obsessed over Yukiteru.
 * Love Makes You Crazy: Or was she already crazy to begin with?
 * Love Makes You Evil: At times, the lengths at which she goes to show her admiration comes across as something that can only be thought of by a depraved evildoer.
 * Manipulative Bastard: throughout the series but is most impressive in also including a
 * Meaningful Name: Her full name can be read as "my wife Yuno". Seeing as Yukiteru is named for Jupiter though, the kanji for Yuno's given name is really "Juno" read as Yuno (In central European languages the letter J is pronounced like what Y is pronounced in English), so even more fittingly for Yukiteru, is the reading "my wife, Juno". Which is fitting, because Juno, just like her Greek-counterpart Hera, can get mad easily at anyone that stole Jupiter/Zeus' love, and will chase them down to the end of Earth (Then there's the fact that Juno is a war goddess too)
 * Murder Is the Best Solution Especially For The Hypotenuse: In her own words "Everyone who comes between me and Yukki can just die!" Probably comes with the whole Yandere thing.
 * Not Good with Rejection: And HOW.
 * Obfuscating Stupidity: Though there were earlier hints, Fridge Logic tells you she has been displaying this the entire story.
 * Offscreen Teleportation
 * Pants-Free: Yuno seems especially fond of this when there is an unconscious Yuki around.
 * Psychopathic Manchild: Combination of types C and D.
 * No Sense of Personal Space
 * Poisonous Friend
 * Psycho Supporter
 * Rapunzel Hair: Down to her waist.
 * Red Eyes, Take Warning
 * Room Full of Crazy:
 * Rose-Haired Girl
 * Shallow Love Interest: Played remarkably straight with disturbing effect. Funnily enough, considering what she is, it ends up being Tropes Are Not Bad.
 * Justified in that Yuno He is the only thing that keeps her relatively balanced most of the time.
 * Sidekick Ex Machina
 * Slasher Smile: Played with. The constant Moe Stare she sports on may as well be considered a Slasher Smile depending on context.
 * Stalker with a Crush
 * Stalking Is Love
 * Stepford Smiler: Extremely Type C.
 * Token Evil Teammate
 * The Sociopath: A very disturbing example she loves Yuki to the extreme but EVERYONE other than Yuki is just pawns or getting in the way showing no remorse killing them.
 * Uh-Oh Eyes: Makes these into an artform.
 * Glowing Eyes of Doom
 * Wide Eyes and Shrunken Irises: Made much more apparent in the anime during her crazier moments.
 * Uncanny Valley Girl:
 * Unskilled but Strong: Polar opposite of Yukki, in that her diary is almost completely useless except when paired with Yukki's, she is actually one of the strongest fighters. The only ones shown to best her in combat being
 * Villain Protagonist:
 * Violently Protective Girlfriend
 * What the Hell, Hero?: She gets called out by Yuki all the time, but especially for
 * Yandere
 * Bonus points for actually being named after the most yandere goddess, Juno.
 * Yank the Dog's Chain: Every time she and Yuki look like their relationship is going somewhere, fate always barges in.
 * You Are Worth Hell
 * Zettai Ryouiki: By Episode 15 that is.
 * The Sociopath: A very disturbing example she loves Yuki to the extreme but EVERYONE other than Yuki is just pawns or getting in the way showing no remorse killing them.
 * Uh-Oh Eyes: Makes these into an artform.
 * Glowing Eyes of Doom
 * Wide Eyes and Shrunken Irises: Made much more apparent in the anime during her crazier moments.
 * Uncanny Valley Girl:
 * Unskilled but Strong: Polar opposite of Yukki, in that her diary is almost completely useless except when paired with Yukki's, she is actually one of the strongest fighters. The only ones shown to best her in combat being
 * Villain Protagonist:
 * Violently Protective Girlfriend
 * What the Hell, Hero?: She gets called out by Yuki all the time, but especially for
 * Yandere
 * Bonus points for actually being named after the most yandere goddess, Juno.
 * Yank the Dog's Chain: Every time she and Yuki look like their relationship is going somewhere, fate always barges in.
 * You Are Worth Hell
 * Zettai Ryouiki: By Episode 15 that is.
 * Zettai Ryouiki: By Episode 15 that is.

Takao Hiyama - The 3rd
"Voiced by Jin Domon"

A teacher at Yuki's school who's secretly a serial killer. His "Murder Diary" gives him detailed information on the location of his intended victim, making it a powerful weapon for ruthlessly pursuing his target. However, it offers little protection.


 * Butt Monkey: Surprisingly often. He is the first diary owner to get killed, he kept killing himself several times over when MurMur first tried to give him his diary, he fell victim to one of Minene's amplified sound bombs in Mosaic, appeared in a flashback chapter to be accidentally (and comically) speared in the back by Yuno, and was given an electric shock in Paradox. MurMur wasn't too surprised that he was the first to go.
 * Coat, Hat, Mask
 * Crazy Prepared: Apparently the costume he wears is not only bulletproof but somehow also bombproof.
 * Implacable Man: While he doesn't get a chance to show this off in the main series, he proved himself to be this in Mosaic  Pity that his diary is nowhere near as invulnerable as the man himself.
 * Malevolent Masked Man
 * Meaningful Name: The kanji in his last name, Hiyama, is read as "volcano". The Roman god in the Dii Consentes that he is associated with? Vulcan.
 * Sacrificial Lamb: Killed off within the first chapters and first episode to demonstrate the rules and consequences of the survival game. Doubles as a Red Shirt.
 * Sadist Teacher: Willing to hunt his own students.
 * Serial Killer
 * Weapon of Choice: A machete.

Keigo Kurusu - The 4th
"Voiced by Masahiko Tanaka"

A police officer who wishes to stop the other crazy people with diaries. His "Investigation Diary" gives him information on all future crimes in his district as though he had already investigated them. He introduces himself early on as an ally to Yuki and Yuno, forming the Future Alliance.


 * The Commissioner Gordon
 * Defective Detective: We find out that he's so busy with work he hasn't been able to spend time with his wife and son.
 * Kurusu's diary is the Investigation Diary, so as long as he's chasing down his suspects, he'll continue to get info on their next moves.
 * Meaningful Name: Kurusu's is a bit harder to pin down than the others, but the kanji in his last name "kuru" means "to come" and as Mercury was the messenger to the others gods, he is probably closest to Mercury in the Dii Consentes.
 * Passing the Torch:
 * Smoking Is Cool
 * Kurusu's diary is the Investigation Diary, so as long as he's chasing down his suspects, he'll continue to get info on their next moves.
 * Meaningful Name: Kurusu's is a bit harder to pin down than the others, but the kanji in his last name "kuru" means "to come" and as Mercury was the messenger to the others gods, he is probably closest to Mercury in the Dii Consentes.
 * Passing the Torch:
 * Smoking Is Cool
 * Passing the Torch:
 * Smoking Is Cool
 * Smoking Is Cool

Reisuke Houjou - The 5th
"Voiced by Asami Sanada"

A 4-year-old boy who is left an orphan in the same incident that led to the 6th's death. He is eager to prove himself to be a "super elite". His "Super Vision Diary" is a coloring book that displays pictures and summaries of three major events each day. It gives him plenty of time to plan his daily strategy, but it's not too helpful for predicting the immediate future.


 * Blush Sticker
 * Creepy Child
 * Cross-Dressing Voices
 * Enfante Terrible
 * Evil Redhead
 * Infant Immortality:
 * Hand Puppet: He carries a pair of hand puppets around with him, which he talks to as though they were real.
 * Leitmotif: Chiptunes.
 * Meaningful Name: "Houjou" is written as "fertility". He corresponds with Ceres in the Dii Consentes.
 * Nice Hat
 * Nightmare Fuel Coloring Book: His Future Diary is a coloring book that shows him how to commit murder.
 * Revenge: Well, Yuno inadvertently did kill his parents.
 * Actually, subverted. He considers that fact, but then dismisses it with a who cares about that.
 * Double subverted in Mosaic where he reveals that he really does love his parents despite what happens.
 * Slasher Smile: A master of this. Particularly in the anime's second opening.
 * Tyke Bomb: How else does a 4-year-old know so much about hydrocyanic acid and other poisons?
 * Revenge: Well, Yuno inadvertently did kill his parents.
 * Actually, subverted. He considers that fact, but then dismisses it with a who cares about that.
 * Double subverted in Mosaic where he reveals that he really does love his parents despite what happens.
 * Slasher Smile: A master of this. Particularly in the anime's second opening.
 * Tyke Bomb: How else does a 4-year-old know so much about hydrocyanic acid and other poisons?

Tsubaki Kasugano - The 6th
"Voiced by Eri Sendai"

The priestess for the Omekata cult, who has been imprisoned in the cult's temple her entire life. Her parents were the founders of the cult, and after their deaths she became its leader of sorts. Her "Thousand Leagues Eyes Diary" is a scroll that records what every worshipper in the cult sees, giving her much greater range than most other Diary Holders. While it provides a large amount of information, the scroll is also cumbersome and slow to use, making it difficult for her to react immediately to changes.


 * Angry Tears:
 * Tears of Remorse: What they are in the anime.
 * Attempted Rape:
 * Broken Bird
 * Damsel in Distress:
 * Despair Event Horizon: Crossed in her Backstory, after
 * Glass Cannon: The "Thousand Leagues Eye Diary". She can use it to record what her cult members say and thus has a huge range, but it's very slow and hard to use. It also presents the largest target,
 * Good Smoking, Evil Smoking: She pulls out a pipe and smokes on it.
 * Go Look At the Distraction: Yuki takes advantage of the fact.
 * Hime Cut
 * Lady in Red: Sorta, she wears a reddish robe.
 * Meaningful Name: Kasugano contains the kanji 日, which can be taken as sun or sunshine. She also poses as a prophetess and is representative of Apollo in the Dii Consentes.
 * It has been speculated Tsubaki may be a nod to the Roman goddess Proserpina, the goddess of springtime. She has the kanji (春) for springtime in her name, and further connecting to Proserpina by both being beautiful woman who spend much of their time in a hell they do not want to be in.
 * Miko:
 * Omniscient Council of Vagueness: The leader.
 * Peek-a-Bangs: Her right eye is almost always covered by her hair.
 * Rapunzel Hair: Long black hair reaching her hips.
 * All the way down to her feet in the anime.
 * : The Omekata cult that she belongs to
 * Even more tragic is the fact that
 * Strange Girl
 * Tragic Keepsake: A handball given to her by her deceased mother.
 * Tsundere: Surprisingly, shows shades of this towards Akise in Paradox.
 * Yamato Nadeshiko: She makes herself look like one in the beginning, to lure Yukki away from Yuno.
 * : The Omekata cult that she belongs to
 * Even more tragic is the fact that
 * Strange Girl
 * Tragic Keepsake: A handball given to her by her deceased mother.
 * Tsundere: Surprisingly, shows shades of this towards Akise in Paradox.
 * Yamato Nadeshiko: She makes herself look like one in the beginning, to lure Yukki away from Yuno.
 * Tsundere: Surprisingly, shows shades of this towards Akise in Paradox.
 * Yamato Nadeshiko: She makes herself look like one in the beginning, to lure Yukki away from Yuno.
 * Yamato Nadeshiko: She makes herself look like one in the beginning, to lure Yukki away from Yuno.
 * Yamato Nadeshiko: She makes herself look like one in the beginning, to lure Yukki away from Yuno.

Marco Ikusaba and Ai Mikami - The 7th
"Voiced by Tomokazu Seki and Natsuko Kuwatani"

A pair of orphans in love with each other. Their "Exchange Diary" is actually two cell phones that report each other's immediate future. The couple displays excellent teamwork as they use their diaries to cover each other's weaknesses.


 * Adaptation Expansion: The anime expands more on their time in high school together rather than just the two flashback scenes in the manga in the tower where Marco and Ai first meet and where they decide to get married.
 * Anti Villains
 * Battle Couple
 * Chekhov's Gunman:
 * Curtains Match the Windows: Both of them.
 * Eighties Hair: Marco sports a long, curled perm.
 * : Marco, in the anime.
 * Knife Nut: Ai prefers throwing knives.
 * Love Freak: Both of them.
 * Meaningful Name: For both of them. Marco's first name comes from "Mars", the Roman god of war, and his last name's kanji is read as "battlefield", sealing the comparison. Ai's name indirectly references Venus, as her first name means "love" while her last name contains the kanji for "beauty" and "god", all strongly pointing to Venus as a reference. If that wasn't enough, Mars and Venus were also well known in the myths for their love affair.
 * Their apprentice diaries take the comparisons one step further, with Marco's being a diary that predicts his opponent's next fighting move, so he can counter it, and Ai's making predictions about all the men that she wants to flirt with in the future.
 * Only Sane Couple: Out of all the diary owners, Marco and Ai seem the sanest, although this is shared with Kamado and Yuki before his Badass upgrade.
 * The Power of Love: They insist that this why they win their fights.
 * : Ai, in the anime.
 * Together in Death
 * Villainous Valour: They prove themselves to be very devoted to one another, even more so than Yuki and Yuno.
 * Would Not Shoot a Civilian: When Yuki's friends are caught in the crossfire, they save their lives and treat their wounds.
 * You Gotta Have Blue Hair: Ai's hair is blue.
 * Villainous Valour: They prove themselves to be very devoted to one another, even more so than Yuki and Yuno.
 * Would Not Shoot a Civilian: When Yuki's friends are caught in the crossfire, they save their lives and treat their wounds.
 * You Gotta Have Blue Hair: Ai's hair is blue.

Kamado Ueshita - The 8th
"Voiced by Hiromi Konno"

A very...uniquely shaped woman who runs an orphanage. Her "Blog Diary" is actually a server that can be accessed by the people she allows, giving each person their own "Apprentice Diary" that can predict the future in various ways. She hasn't shown much interest in winning the game, but the children at her orphanage willingly fight to protect her by eliminating the other Diary Holders.


 * Anti-Villain
 * Apron Matron
 * Harmless Villain: She doesn't want to win the game, and relatively speaking she hasn't shown herself to be nearly as crazy or murderous as the other Diary Holders.
 * Meaningful Name: Kamado can mean "hearth", which is one of the domains that Vesta was goddess over. "Ueshita" sounds like "Vesta" (Ueshita/Weshita/Wesuta). Just as well, Ueshita runs an Orphanage of Love and gives a place for orphans to stay, and Vesta was also the goddess of family and the home.
 * Non-Standard Character Design: ...to say the least.
 * Only Sane Man: Comes across as this by the time Yuki snaps.
 * Orphanage of Love: Presumably she runs one, given how the children are willing to die for her sake.
 * Super Empowering: She's never shown using her own diary to predict the future, but she can give out Apprentice Diaries.
 * Super Empowering: She's never shown using her own diary to predict the future, but she can give out Apprentice Diaries.

Minene Uryu - The 9th
"Voiced by Mai Aizawa"

A terrorist bomber raging against the world. Her "Escape Diary" explores each possible option and recommends the best course of action to escape danger, making it very helpful for avoiding death. It will still display a DEAD END when things are stacked too heavily against her, though.

"Yukiteru: Thanks 9th, love you lots."
 * Action Bomb: Her "heart bomb" will explode as soon as her heart stops.
 * Anti-Hero: Type V
 * Armor-Piercing Question: Asked this by 12th in the second chapter of Mosaic. The 12th asks Minene why she hates God so much, and after getting a weak response, he then asks what happens after she kills God. He then points out that if she takes his place after killing him, then she would be God herself. Minene can't respond and 12th tells her that she's just a person who hates the world because of the hardships she had to suffer.
 * Badass
 * Big Ol' Eyebrows: More noticeable in the anime; they're particularly thick.
 * Boobs of Steel
 * Broken Bird
 * Byronic Hero
 * Cool Big Sis: Becomes like one to Yukiteru eventually.
 * Big Ol' Eyebrows: More noticeable in the anime; they're particularly thick.
 * Boobs of Steel
 * Broken Bird
 * Byronic Hero
 * Cool Big Sis: Becomes like one to Yukiteru eventually.
 * Cool Big Sis: Becomes like one to Yukiteru eventually.
 * Cool Big Sis: Becomes like one to Yukiteru eventually.

"Minene: Nishijima told me he'd make me happy."
 * Cosplay: She insists it's "for the atmosphere".
 * Crazy Survivalist: Proven in her very first appearance by pulling a motorcycle out of Hammerspace to make her escape. And enhanced by her Escape Diary, of course, which tells her just what crazy preparations to make.
 * Curtains Match the Window
 * Dark Action Girl: Unlike most examples, she ends up coming around, for the most part.
 * Dating Catwoman: Has this with Nishijima.
 * Determinator: One of the longest lasting players in the survival game because she refuses to lie down and die.
 * Divine Intervention: Experienced this in the first chapter of Mosaic.
 * Elegant Gothic Lolita: She prefers this style of dress.
 * : For all of Minene's terrorism,
 * Expy: Of Misato from Evangelion, both in terms of looks and in partnership with Yukiteru, who is Shinji's expy.
 * Eyepatch of Power: Which came after being subjected to Eye Scream
 * Friend to All Children: With the exception of her school bombing early in the story (which she only targeted in the first place to lure out 4th, since she only ever targets religious places/figures), she subtly displays traits of this. First, after their rough initial meeting, she becomes friendlier towards Yukiteru and takes on more of a mentor role towards him in later story arcs. She also acts friendly with and shows good will towards 5th, going to great lengths to return his hand puppets when he was being stubborn. And while she is hiding undercover as a nurse, she mentions to Akise that she doesn't mind talking to and looking after the children in the hospital. She later also tries to scare Yukiteru's classmates out of helping her stop 11th for fear of their safety (even though they ended up helping her anyways).
 * Godiva Hair: When captured by, who strips and chains her to a wall
 * Good Is Not Nice
 * Guile Heroine: Relies on her strategic planning and trickery, and constantly has a means of escape in case her plan falls through.
 * Handicapped Badass: She loses her left eye  yet still remains Badass to the end.
 * Heel Face Turn
 * High Heel Face Turn: Though she was more Chaotic Neutral beforehand, Nishijima was major motivation for her turn as well.
 * Hot Amazon: She even averts No Guy Wants an Amazon through her relationship with Nishijima.
 * I Was Just Passing Through: Passes off several of her kind actions as this, like rescuing Yukiteru and Yuno from Reisuke's gas trap
 * Kill the God: Her eventual goal once she wins the game.
 * Licked by the Dog: She seems to be liked by a group of wild squirrels which follow her around.
 * Love Redeems: Kinda.
 * Mad Bomber: She bombs churches and assassinates religious figures.
 * Master of Disguise
 * Meaningful Name: As it turns out, Minene is named for two gods. Her first name, Minene, is an obvious corruption of Minerva, but her last name also contains the kanji for rain 雨 (ame), which corresponds to Neptune in the Dii Consentes. It still makes sense though, since Minerva and Neptune are usually paired together in the Dii Consentes.
 * Mega Twintails: In her initial appearances. She leaves her hair down after though.
 * Their volume is somewhat Handwaved by Mosaic explaining that MurMur was the one altering her hair.
 * Nay Theist: She's fighting to gain the powers of a god, yet refuses to acknowledge the very god who gave her the Diary.
 * Noble Demon
 * Not So Different: Surprisingly, she says this to Yukiteru. When she saw him running through her minefield, choking on poisonous gas, or even the look on his face, she was reminded of her own weakness in her childhood, and admits that she had a soft spot for him.
 * She also gets a bit of this with the Fifth in Mosaic when she asks if he's going to take revenge for his parents. It's probably why she was so intent on returning his dolls.
 * Actually,
 * Satisfied Street Rat: She lost her parents in a religious struggle in the middle east and had to fend for herself in a place where she didn't even know the language, becoming a hardened Badass who would eventually target religious buildings and figures in her terrorist bombings.
 * She Cleans Up Nicely: after the school bombing, she lets her hair down.
 * Single Woman Seeks Good Man: Nishijima.
 * Actually,
 * Satisfied Street Rat: She lost her parents in a religious struggle in the middle east and had to fend for herself in a place where she didn't even know the language, becoming a hardened Badass who would eventually target religious buildings and figures in her terrorist bombings.
 * She Cleans Up Nicely: after the school bombing, she lets her hair down.
 * Single Woman Seeks Good Man: Nishijima.
 * She Cleans Up Nicely: after the school bombing, she lets her hair down.
 * Single Woman Seeks Good Man: Nishijima.
 * Single Woman Seeks Good Man: Nishijima.


 * Slasher Smile: Her default expression, though she keeps a much cooler head than most examples.
 * Sociopathic Hero
 * Third Person Person: Occasionally refers to herself as "Minene-sama" because she believes she is just that great. She doesn't do it as often as the story progresses, but whenever she gets serious against her opponents it tends to show up.
 * Throw Down the Bomblet
 * Tritagonist: Either she or Akise fit into this role.
 * Tsundere: According to MurMur.
 * Wild Card
 * You Gotta Have Purple Hair
 * Wild Card
 * You Gotta Have Purple Hair

Karyuudo Tsukishima - The 10th
"Voiced by Hirokazu Hiramatsu"

A man who loves his dogs more than anything else. His "Rearing Diary" lets him check up on and control his army of dogs, which he can command to attack his enemies.


 * Badass Mustache
 * The Beast Master: He commands squads of attack dogs.
 * Kansai Regional Accent: He speaks standard Japanese most of the time, but he slips into the dialect during his.
 * Meaningful Name: Tsukishima (月島) contains the kanji for moon, and his first name, Karyuudo, is read as "hunter". Goddess of the moon and hunting? That's Diana in the Dii Consentes.
 * No Name Given: His real name isn't revealed until
 * Gourmet Pet Food: Gives his dogs expensive steak and wine, while he himself dines on cup noodles.
 * "Well Done, Son" Guy: He cares more for his dogs than for his child.
 * "Well Done, Son" Guy: He cares more for his dogs than for his child.

John Balks - The 11th
"Voiced by Takaya Hashi"

The mayor of Sakurami and the one who suggested the idea of the Future Diary. His "Watcher Diary" can spy on the contents of all other Future Diaries, making him one of the most formidable Diary Holders. His Evil Plan is to


 * Affably Evil: Subverted. He acts like a gentleman around Kamado, but is completely antagonistic towards the other characters.
 * All Your Powers Combined
 * Badass: Just on one occasion, but still:
 * Bald of Evil
 * Big Brother Is Watching: He's the mayor of the city, and he can spy on all other Diary Holders.
 * The Chessmaster
 * Large Ham: Yeah.
 * Meaningful Name: His last name "Balks" can also be read as "Bacchus", the same as the Roman god. Tokyo Pop seemed to pick up on the reference and translated his name using the same spelling "Bacchus". He's also one of the only diary holders whose namesake isn't a god listed in the Dii Consentes, along with Yomotsu Hirasaka.
 * It probably explains why his and Yomotsu's diaries were modified last, making them 11th and 12th, respectively.
 * Ship Tease: Has a bit of it with Kamado. He acts much more gentlemanly towards her than towards other characters; in the manga after she undresses to reveal where she hid her Future Diary, he even gives her his own coat so she wouldn't feel uneasy.  The scene where he gives her his coat wasn't included in the anime
 * Smug Snake: Very condescending towards First and Ninth in their attempts to reach him inside the vault.
 * Villain with Good Publicity: Actually contributes to his downfall.
 * Ship Tease: Has a bit of it with Kamado. He acts much more gentlemanly towards her than towards other characters; in the manga after she undresses to reveal where she hid her Future Diary, he even gives her his own coat so she wouldn't feel uneasy.  The scene where he gives her his coat wasn't included in the anime
 * Smug Snake: Very condescending towards First and Ninth in their attempts to reach him inside the vault.
 * Villain with Good Publicity: Actually contributes to his downfall.
 * Villain with Good Publicity: Actually contributes to his downfall.

Yomotsu Hirasaka - The 12th
"Voiced by Yoshihisa Kawahara"



A blind man who wants to be a superhero. His "Justice Diary" is an audio recorder that warns him of acts of "injustice" before they occur. It also gives him some sort of hypnosis power. While he claims to be a "Hero of Justice", his actions mark him more as a crazed vigilante.


 * All Crimes Are Equal: His diary records both littering and murder.
 * All of the Other Reindeer: Assuming his backstory shown in the MurMur segment at the end of episode 5 is canon, before he got his Future Diary his attempts at being a superhero and helping others resulted in people mocking him and throwing rocks at him if he was lucky or mistaking him for a criminal and arresting him if he wasn't.
 * Anti-Villain
 * Badass: Not really, but it's fun watching him try.
 * Black and White Insanity: Believes quite strongly that the side that wins is the "good guys" while the losers are the "bad guys".
 * Chewing the Scenery
 * The Cuckoolander Was Right:
 * Disability Superpower: He's blind, so he gets enhanced hearing and hypnosis powers.
 * Doppelganger Spin
 * The Faceless: He likes to wear a mask, and his face is never clearly shown.
 * Heroic Wannabe:
 * Knight Templar: Littering and murder are crimes which deserve equal punishment.
 * Large Ham
 * Limp and Livid
 * Meaningful Name: Yomotsu Hirasaka is the name of the boundary between Life and Death in Japanese myth.
 * And so he can be associated with the Roman god Pluto.
 * Mind Control: One of his powers...somehow.
 * Shout-Out: To Kamen Rider and Super Sentai.
 * Spandex, Latex, or Leather: His comical superhero outfit consists of a full-body spandex suit with a sphere-like mask.
 * Transformation Sequence: His "transformation" sequence (which is simply him putting on the different articles of his costume and screeching "HENSHIIIN" the entire time) falls somewhere between hilarious and disturbing.
 * Vigilante Man: Goes back and forth between a heroic and villainous type.
 * What Do You Mean It's Not Awesome?: Invokes this trope.
 * What Do You Mean It's Not Awesome?: Invokes this trope.

Azami Kirisaki - The 13th
"Voiced by Yuu Asakawa"

The thirteenth diary holder who exclusively appears in the video game Future Diary: The 13th Diary Owner. Not much is known about her, but she is a school student who wears a yellow raincoat. Her Future Diary is a video diary. Her little sister Kasumi is in hospital after being attacked by Takao Hiyama.


 * Camera Fiend
 * Canon Foreigner
 * Ill Girl: Her sister Kasumi is hospitalised after an encounter with Third.
 * In the Hood
 * Sixth Ranger
 * Thirteen Is Unlucky

Deus Ex Machina
"Voiced by Norio Wakamoto"

The Lord of Time and Space who has called forth the Diary Holders to participate in a battle royale. he wishes to pass on his power to the winner of the contest.


 * A God Am I: Well, he really is a God, but he actively goads the other diary holders into this behavior to encourage them in the game.
 * Akashic Records: He has it.
 * Barrier Maiden: Reality isn't robust enough to exist without a powerful god maintaining it. Makes having a successor pretty important.
 * : Part of the reason why he created the survival game.
 * God Is Evil: Sure, he's about to die, but picking his successor by forcing mostly innocent people to fight a battle royale for the lulz?
 * God Is Flawed: He leans a bit closer to this in that he wants the survival game to play out fairly between the players and without outside intervention from himself or MurMur, and honestly can't see the problem in it so long as he's kept entertained and his successor is chosen. He is also very willing to when John Balks decides to.
 * Imaginary Friend: Yuki at first believes Deus to be one. Turns out he isn't.
 * Not-So-Imaginary Friend
 * It Amused Me: Another part of his reason for creating the game.
 * Jerkass
 * Jerkass God
 * Kick the Dog:
 * Pals with Jesus: Pretty much everyone who is able to visit the Hall of Causality is this to him since he's a pretty chill God. Special mention goes to Yukiteru though, whom Deus clearly favors over everyone else.
 * Kick the Dog:
 * Pals with Jesus: Pretty much everyone who is able to visit the Hall of Causality is this to him since he's a pretty chill God. Special mention goes to Yukiteru though, whom Deus clearly favors over everyone else.
 * Pals with Jesus: Pretty much everyone who is able to visit the Hall of Causality is this to him since he's a pretty chill God. Special mention goes to Yukiteru though, whom Deus clearly favors over everyone else.

MurMur
"Voiced by Manami Honda"



Deus Ex Machina's servant, who takes the form of a dark-skinned little girl.


 * Ambiguously Brown
 * Bunny Ears Lawyer: She's a silly character for the most part (despite the occasional slip up, like the incident that sets up the storyline for Paradox), but she knows how to do her job.
 * Butt Monkey: In Paradox. Might lean into being The Chew Toy depending on the fans that read the story.
 * Cloudcuckoolander
 * Jerkass: Mainly toward Akise. Otherwise, she mostly enjoys screwing around with everyone else.
 * Meaningful Name: Named for the Goetic demon Murmur. She also carries a small trumpet on her hip to reinforce the namesake.
 * She eventually
 * Perky Female Minion
 * Plucky Comic Relief
 * Spell My Name with an "S": Although both fan translations of the Manga and the official Tokyopop release spelled her name "MuruMuru", the opening to the anime displays her name as "MurMur".
 * Verbal Tic: Ends every sentence with "-noja", the equivalent of the standard Japanese explanatory expression "-noda" in some Western Japanese dialects
 * Meaningful Name: Named for the Goetic demon Murmur. She also carries a small trumpet on her hip to reinforce the namesake.
 * She eventually
 * Perky Female Minion
 * Plucky Comic Relief
 * Spell My Name with an "S": Although both fan translations of the Manga and the official Tokyopop release spelled her name "MuruMuru", the opening to the anime displays her name as "MurMur".
 * Verbal Tic: Ends every sentence with "-noja", the equivalent of the standard Japanese explanatory expression "-noda" in some Western Japanese dialects
 * Spell My Name with an "S": Although both fan translations of the Manga and the official Tokyopop release spelled her name "MuruMuru", the opening to the anime displays her name as "MurMur".
 * Verbal Tic: Ends every sentence with "-noja", the equivalent of the standard Japanese explanatory expression "-noda" in some Western Japanese dialects
 * Spell My Name with an "S": Although both fan translations of the Manga and the official Tokyopop release spelled her name "MuruMuru", the opening to the anime displays her name as "MurMur".
 * Verbal Tic: Ends every sentence with "-noja", the equivalent of the standard Japanese explanatory expression "-noda" in some Western Japanese dialects



Aru Akise
"Voiced by Akira Ishida"

Yuki's classmate who develops a peculiar interest in him. He desires to be a great detective, and dives head-first into the mysteries surrounding the Diary Holders. He has the "Detective Diary" which predicts other diary owners' actions regardless of how they change the future. In Paradox, however, he borrows Yukiteru's "Indifference Diary".


 * Always Save the Girl: In Mirai Nikki: Paradox, in regards to Yuki and Tsubaki (though it might be just part of his plan in the latter's case).
 * Amateur Sleuth, aspiring to become Great Detective.
 * Badass Normal: He doesn't have a Future Diary, but he can still go toe-to-toe with Diary Holders.
 * Beware the Nice Ones: Akise is one of the nicer characters in the series. He rarely gets pissed off even when Yuno tries to kill him multiple times.
 * Bishie Sparkle: In Paradox, especially in chapter 3.
 * Bishounen
 * Bi the Way: If Paradox is anything to go off of.
 * Bodyguard Crush: On Yuki.
 * Clingy Jealous Boy: Only toward Yuno but even that is subtle
 * The Comically Serious
 * Crazy Prepared: Near the beginning of his fight with Yuno.
 * Expy: His similarities to Kaworu of Neon Genesis Evangelion go way past the point of being unintentional. Like Kaworu, he's a White-Haired Pretty Boy voiced by Akira Ishida who seems to be in love with the meek main character, and turns out to be.
 * Hero Antagonist: In contrast to Yuno's Villain Protagonist.
 * Heroic Albino: Has shown shades of this in the actual series. Played straight in Paradox.
 * Hidden Heart of Gold
 * I Gave My Word: Akise is one of the few characters that constantly tells the truth to Yuki and never breaks his promise to him.
 * Incredibly Obvious Tail: When tailing, and indeed he gets spotted.
 * The Messiah: In Paradox.
 * Also in the main series but by proxy
 * Murder Is the Best Solution: Subverted. Unlike Yuno, Akise does all in his power to avoid killing someone.
 * Nice Guy: For the most part.
 * The Quiet One
 * Red Eyes, Take Warning: He's a subversion of the trope as despite being a very subtle Yandere, he's mostly a nice person overall.
 * Single-Target Sexuality: Guess who.
 * Ship Tease: A lot of this with Yukiteru in the main story and Paradox. Also has a fair amount with Tsubaki in Paradox, too.
 * Shipper on Deck: Subverted. At first he seems to be pushing Yuki to go out with Yuno going as far as to set them up for a date that could very well make them closer than before. However, this is so he can
 * Spanner in the Works: The reason 10th got caught in the first place is that he assumed that Akise was a diary wielder and was out to kill him. These turn of events later lead to his death.
 * Strange Boy: According to Hinata and Mao, he's considered very strange especially since they claim he "plays detective" rather than being an actual detective.
 * Tritagonist: Either he or Minene fit into this role.
 * White-Haired Pretty Boy
 * Yandere: Much more subtle than Yuno, but it seems to be there. While usually nice for everyone, he did prove on a few occassions that he's willing to sacrifice others for Yukiteru's sake.
 * His vague Yandere tendencies become less vague in Paradox, in that he is much more open about his desire to make sure that Yukiteru becomes a god.
 * Murder Is the Best Solution: Subverted. Unlike Yuno, Akise does all in his power to avoid killing someone.
 * Nice Guy: For the most part.
 * The Quiet One
 * Red Eyes, Take Warning: He's a subversion of the trope as despite being a very subtle Yandere, he's mostly a nice person overall.
 * Single-Target Sexuality: Guess who.
 * Ship Tease: A lot of this with Yukiteru in the main story and Paradox. Also has a fair amount with Tsubaki in Paradox, too.
 * Shipper on Deck: Subverted. At first he seems to be pushing Yuki to go out with Yuno going as far as to set them up for a date that could very well make them closer than before. However, this is so he can
 * Spanner in the Works: The reason 10th got caught in the first place is that he assumed that Akise was a diary wielder and was out to kill him. These turn of events later lead to his death.
 * Strange Boy: According to Hinata and Mao, he's considered very strange especially since they claim he "plays detective" rather than being an actual detective.
 * Tritagonist: Either he or Minene fit into this role.
 * White-Haired Pretty Boy
 * Yandere: Much more subtle than Yuno, but it seems to be there. While usually nice for everyone, he did prove on a few occassions that he's willing to sacrifice others for Yukiteru's sake.
 * His vague Yandere tendencies become less vague in Paradox, in that he is much more open about his desire to make sure that Yukiteru becomes a god.
 * Strange Boy: According to Hinata and Mao, he's considered very strange especially since they claim he "plays detective" rather than being an actual detective.
 * Tritagonist: Either he or Minene fit into this role.
 * White-Haired Pretty Boy
 * Yandere: Much more subtle than Yuno, but it seems to be there. While usually nice for everyone, he did prove on a few occassions that he's willing to sacrifice others for Yukiteru's sake.
 * His vague Yandere tendencies become less vague in Paradox, in that he is much more open about his desire to make sure that Yukiteru becomes a god.
 * His vague Yandere tendencies become less vague in Paradox, in that he is much more open about his desire to make sure that Yukiteru becomes a god.
 * His vague Yandere tendencies become less vague in Paradox, in that he is much more open about his desire to make sure that Yukiteru becomes a god.

Hinata Hino
"Voiced by Yuki Matsuoka"

Another of Yuki's classmates, who quickly becomes friends with him. but her real Future Diary is the "Friend Diary", which predicts her interactions with her friends.


 * Adaptation Dye Job: Hinata's hair in the anime is closer to being brunette rather than orange like in the manga.
 * Bare Your Midriff
 * Big Breasts, Big Deal: Mostly Type 3 with some Type 1; Hinata's size isn't really brought up too much, but she does get flustered whenever Mao is admiring her assets.
 * Fiery Redhead: It's more of an orange tint than anything though.
 * Curtains Match the Window: In the anime, where her hair is brown.
 * Kansai Regional Accent
 * Pointless Band-Aid
 * Theme Naming: Just as, both her first and last name contain the kanji for the sun.
 * Tomboy and Girly Girl: The tomboy to Mao's girly girl.
 * Well Done Daughter Girl: She wants her father to acknowledge her.
 * Pointless Band-Aid
 * Theme Naming: Just as, both her first and last name contain the kanji for the sun.
 * Tomboy and Girly Girl: The tomboy to Mao's girly girl.
 * Well Done Daughter Girl: She wants her father to acknowledge her.

Mao Nonosaka
"Voiced by Yukana"

Yuki's classmate and best friend of Hinata. Her "Lovely Hinata Diary" predicts what happens to Hinata, as well as her "path to womanhood".


 * Big Ol' Eyebrows: They're not that big, but still noticeable.
 * Lipstick Lesbian: Towards Hinata.
 * Nice Hat
 * Tomboy and Girly Girl: The girly girl to Hinata's tomboy.
 * You Gotta Have Purple Hair
 * Tomboy and Girly Girl: The girly girl to Hinata's tomboy.
 * You Gotta Have Purple Hair
 * You Gotta Have Purple Hair

Ouji Kosaka
"Voiced by Minoru Shiraishi"

Yuki's classmate, who doesn't like him much (the feeling's mutual). He enjoys blogging on his cell phone, which inadvertently connects him to the 8th's Diary. He gets the "Kousaka King Diary" while It predicts his "brilliant moments".

"Yukiteru: I don't care much for Kosaka, but...I'm gonna be friends with everyone!"
 * Blessed with Suck: As Yuno points out after tricking him his diary is fairly weak in its information gathering abilities.
 * Butt Monkey
 * Jerk with a Heart of Gold: But he slides more on the jerk side and rarely shows his heart of gold side.
 * My Friends and Zoidberg: Justified, in that he's kind of a jerk.
 * My Friends and Zoidberg: Justified, in that he's kind of a jerk.


 * Spell My Name with an "S": The official translation of his name is "Kosaka," but many fan translations render it "Kousaka."
 * "The Reason You Suck" Speech: To.

Masumi Nishijima
"Voiced by Makoto Ishii"

A police officer who works under Kurusu. Despite not having a Diary, he becomes deeply involved in the conflict between the Diary Holders, and specially after meeting.


 * Badass Normal: Notable in that his lack of a Diary is key to his effectiveness.
 * Bishounen
 * Career Versus Woman: Has to choose between doing his job as a policeman and later and his feelings for Minene.
 * The Charmer: Though he (unknowingly, at first) ends up mostly just pursuing Minene every time.
 * Curtains Match the Window
 * Dating Catwoman
 * Dogged Nice Guy: To Minene while she was disguised as Natsuko.
 * Fair Cop
 * Nice Guy
 * Officer and a Gentleman
 * Reasonable Authority Figure
 * The Slacker:
 * Villainesses Want Heroes: Inverted, as Nishijima is the one who actively pursues Minene.
 * Officer and a Gentleman
 * Reasonable Authority Figure
 * The Slacker:
 * Villainesses Want Heroes: Inverted, as Nishijima is the one who actively pursues Minene.
 * Villainesses Want Heroes: Inverted, as Nishijima is the one who actively pursues Minene.

Rea Amano
Yuki's mother who's usually away from home due to work. Despite this, she and Yukiteru are shown to have a stable and loving relationship. She approves of Yuno and Yuki as a couple, against Yuki's ignored protests.


 * Amazingly Embarrassing Parents
 * Hot Shonen Mom
 * Meaningful Name: If Yukiteru is Jupiter (see his section above), then Rea is his Titaness mother Rhea.
 * Parental Obliviousness: Especially towards Yuno's...behavior. Really, when your son is on the run from the law, then disappears for a week after being exonerated and comes back incredibly nervous, you should be at least a little concerned.
 * Parental Obliviousness: Especially towards Yuno's...behavior. Really, when your son is on the run from the law, then disappears for a week after being exonerated and comes back incredibly nervous, you should be at least a little concerned.

Kurou Amano
Yuki's father who left after a divorce years ago. He and Yukiteru are shown spending some father-son bonding after a long time since the divorce around 2/3 into the manga, where he is introduced. He really seems to care for Yukiteru and Rea.


 * Disappeared Dad
 * It's All About Me: His most prominent flaw is that he puts himself and his own troubles before everyone else.
 * Double Subversion: He still cares for Yuki and Rea...
 * Jerkass
 * Meaningful Name: Fitting with the rest of his family's Theme Naming, "Kurou" resembles "Cronus".
 * Pet the Dog: Despite
 * Pet the Dog: Despite

Arata Hoshino
The main protagonist of the drama. A slacker of a college student, Arata has no interest in looking ahead to his future. Given a Future Diary by his friend Rui Moriguchi, Arata finds himself in a future he does not want, accompanied by his own stalker Yuno Furusaki.


 * Badass: Compared to Yuki, Arata is a courageous person, willing to take on Yousuke to protect Yuno.
 * Brilliant but Lazy
 * Comes Great Responsibility: Shortly after Arata gets his Future Diary, he spends a night gambling and partying with friends following his diary's predictions.
 * Expy: Of Yuki, although there's little to compare between the two other than being stalked by Yuno.
 * Extreme Doormat: At first, but his desire to stop the game puts away with this trope.
 * Genre Savvy: Everything Yuki did wrong, he seems to do right. When he is chained to a bed by Yuno, Arata escapes by tricking Yuno into freeing him, chains her to the bed, takes her diary and blocks her escape route with a wardrobe. And that still does not stop her.
 * The Hero
 * Knight in Shining Armor: Despite his objectivity, he is a very kind and caring person, refusing to kill anyone (unless having no other choice).
 * Lazy Bum
 * Necessary Evil:
 * Ordinary College Student
 * The Slacker
 * Thou Shalt Not Kill: Unless he has no other option.

Yuno Furusaki
Arata's personal stalker and love interest. Yuno is devoted to Arata and has Yandere qualities to her, but maintains a more subtle sense of madness to her. She refers to Arata as "A-kun", her diary able predicting everything Arata does or even feels. Like the original Yuno, she is implied to have had a troubled childhood and may have one or two secrets hidden in her house.


 * Abusive Parents: Her mother is implied to have locked her in a closet countless times. Both of her parents are dead by the time the series starts.
 * Action Girlfriend
 * Always Save The Guy: Subverted, Arata has saved Yuno from death several times.
 * Ax Crazy: Not as much as her manga counterpart, but it is still there.
 * Broken Bird
 * Clingy Jealous Girl: Seems to have hostility towards Rui and Haruna.
 * Expy: Of Yuno, minus the pink hair and seemingly being a bit more controlled and understanding.
 * Girl with Psycho Weapon: Only used a knife on occasion, but tried to use a broken jar to kill Megumi.
 * Go Through Me: To protect Arata.
 * Lack of Empathy: Subverted, as she actually sympathises with both Yousuke and Kinjiro.
 * Room Full of Crazy:
 * Stalker with a Crush
 * Undying Loyalty: To Arata.
 * Yandere: Just like her manga/anime counterpart.
 * Yandere: Just like her manga/anime counterpart.

Rui Moriguchi
Arata's college friend. He gives Arata, Yuno, Kinjiro and Megumi their Future Diaries in order to find his kidnapped sister Haruna. To atone, he helps Arata and Kinjiro in the survival game.


 * Amateur Sleuth
 * The Atoner: After giving his friends Future Diaries and forced to watch them fight for their lives, he decides to help end the game and confront Deus.
 * Brother-Sister Team: With Haruna.
 * Expy: Of Akise. His role as distributor of the diaries is taken from Muru Muru.
 * Muggle Best Friend
 * Necessary Evil: Had to put his friends in the survival game to save Haruna.
 * Necessary Evil: Had to put his friends in the survival game to save Haruna.

Haruna Okie
Rui's sister. She is an ill girl and hospitalised repeatedly. Like Rui, she feels guilty for playing a part in setting up the survival game and aids Arata. She is later revealed to be a diary owner.


 * Anguished Declaration of Love
 * Brother-Sister Team: With Rui.
 * Canon Foreigner
 * Damsel in Distress: Kidnapped by Yousuke in order for the survival game to begin.
 * I Want My Beloved to Be Happy
 * Ill Girl
 * The Quiet One
 * Ship Tease: It is implied she has a crush on Arata.
 * The Quiet One
 * Ship Tease: It is implied she has a crush on Arata.
 * Ship Tease: It is implied she has a crush on Arata.

Kinjiro Hagino
A 33-year old police officer who receives a Future Diary from Rui. Becoming an ally to Rui and Arata, Kinjiro uses his diary's ability to predict crimes to identify the other diary owners. He acts quite laidback and detached, but is quite smart and resourceful.


 * Dogged Nice Guy: He's head over heels for Rinko Uehara.
 * Expy: A cross between Kurusu (who seems to have his own counterpart in the series) and Nishijima.
 * Fair Cop
 * Friend on the Force: He and Rui are actually related.
 * Knight in Shining Armour: Treats Rinko with the upmost courtesy and care, personally visiting her in hospital even when she does not recognise him.
 * Reasonable Authority Figure
 * The Slacker: His fellow police officers think he is slacking off, but it turns out he is often just off investigating other crimes.
 * Smoking Is Cool
 * Knight in Shining Armour: Treats Rinko with the upmost courtesy and care, personally visiting her in hospital even when she does not recognise him.
 * Reasonable Authority Figure
 * The Slacker: His fellow police officers think he is slacking off, but it turns out he is often just off investigating other crimes.
 * Smoking Is Cool

Rinko Uehara
A woman of Kinjiro's age who first appears in hospital, but is later kidnapped by Tohru Kibe. She met Kinjiro six months prior to the survival game, unsure of her dreams and was abused by her husband. After her husband dies by her hand, Rinko ends up in hospital with Laser-Guided Amnesia.


 * Damsel in Distress: Kidnapped by Tohru Kibe.
 * Ill Girl
 * Laser-Guided Amnesia: When her abusive husband tried to commit a double suicide with her, she refused and pushed him off a balcony to his death, realising the enormity of what she had done and gained amnesia.
 * Turns out to be Plausible Deniability. Rinko was just hiding her fears and guilt through her fake amnesia.
 * Star-Crossed Lovers: With Kinjiro.

Yousuke Okuda
Also known as "Southpaw", Yousuke Okuda is a Serial Killer who has a Future Diary. He targets anyone who possesses one of the limited release cell phones, eventually attacking Arata and Yuno. He is very tactical, his diary giving him numerous strategies to kill his targets. However, he is shown to be a troubled man, caring for a comatose mother.


 * Abusive Parents: His ill, comatose mother treated him like garbage and is very strict and demanding. But, Yousuke is devoted to her.
 * Crazy Prepared: His diary has countless strategies on how to catch and kill his victims. However, each strategy has a probability factor for success and the highest is 85%.
 * Expy: Of Takao Hiyama, but actually gets development. Some of his tactical methods reflect those of Reisuke.
 * In the Hood
 * Malevolent Masked Man
 * The Messiah:
 * Momma's Boy: Even though she treated him poorly.
 * Serial Killer
 * The Southpaw: Hence, the nickname.
 * Villainous Breakdown:
 * Weapon of Choice: An ice pick.
 * Weapon of Choice: An ice pick.

Megumi Fuwa
A 17-year old high school student who studied under Rui, and was given a Future Diary by him. Living a reasonably unfair life, Megumi is at the end of her rope and considers playing the game or not. But unforeseen events end up making the choice for her. Megumi is a skilled archer, and lives with her mother and step-father who are expecting a baby.


 * Angry Tears:
 * The Archer: Shown to have a natural talent.
 * Broken Bird: Tired of her parents' negligence and being betrayed by everyone, Megumi can take no more.
 * Damsel in Distress
 * Expy: Of Tsubaki Kasugano.
 * I Don't Want to Die: Her motive to survive.
 * Ordinary High School Student
 * Parental Neglect: Her mother scolds her all the time, her step-father seems well-meaning but Megumi refuses to call him "Dad", and they both have a child coming, likely meaning Megumi will be neglected even more so.
 * The Power of Trust: Megumi has tried to revitalise her trust in others, but after saving a girl who ended up bullying her, she has given up all hope.
 * Parental Neglect: Her mother scolds her all the time, her step-father seems well-meaning but Megumi refuses to call him "Dad", and they both have a child coming, likely meaning Megumi will be neglected even more so.
 * The Power of Trust: Megumi has tried to revitalise her trust in others, but after saving a girl who ended up bullying her, she has given up all hope.

Kurou Hoshino
Arata's father who helped develop the Future Diaries. He works for the Chronus Seed Corporation in the development department. He abruptly divorces his wife, but his reasons are later revealed.


 * Badass Normal
 * Papa Wolf
 * Passing the Torch: Gives it to his son shortly after divorcing his wife, telling him to embrace his future.
 * Papa Wolf
 * Passing the Torch: Gives it to his son shortly after divorcing his wife, telling him to embrace his future.
 * Passing the Torch: Gives it to his son shortly after divorcing his wife, telling him to embrace his future.

Tohru Kibe
The CEO of Chronus Seed Corporation which developed the Future Diaries. His goals are ambiguous but it seems he wishes to make a better future.


 * Affably Evil: He believes the deaths of the diary owners are worthy sacrifices to make the future better.
 * A God I Am:
 * Big Brother Is Watching:
 * Corrupt Corporate Executive
 * Expy: Of John Balks.
 * Scary Shiny Glasses
 * You Have Outlived Your Usefulness:
 * You Have Outlived Your Usefulness:

Deus
An alternate version of Deus Ex Machina, this Deus initiated the survival game with the winner getting a better future.


 * Jerkass: Comes across as this regarding his players. Even Kibe hates him.
 * Physical God
 * You Don't Look Like You: Deus appears as a purple, sun-shaped, smiling emoticon.

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