Koihime Musou



When Ordinary High School Student Kazuto Hongo chases after a thief, who steals and breaks an ancient mirror at his school campus, he's transported back to ancient China. Are we good so far? Now, take the Romance of the Three Kingdoms story and Gender Flip nearly all male characters from the original epic into action girls of varying degrees of affection for Kazuto, and you get the perfect harem Visual Novel called Koihime Musou, developed by BaseSon. All principal heroines in the game are expies of the (male) generals from the original epic and the former's names are derived from the latter's by reading the original Chinese characters in their names as kanji. Additionally, all of them have a true, "private" name usually reserved for close friends, and several sport a courtesy name. European Eroge publisher MangaGamer acquired the localization rights and released an English version on February 28, 2011.

A remake of the visual novel Shin Koihime Musou was released with more characters added in from Romance of the Three Kingdoms and following suit by genderflipping them. Not only does it pay more attention to the original epic but it also allows players to choose which faction to ally with, rather than the preset one in the original game. A third and possibly final installment for the visual novels was released on July 23, 2010, entitled Shin Koihime Musou ~Moeshouden~, with the intent on dropping the battle sequences found in prior games for the purpose of focusing entirely on the Unwanted Harem aspect.

Two other games exist in the franchise. The first one, Otome Taisen Sangokushi Engi, is a (alas, Japan-only) fighting game for arcade machines. The second, Web Koihime Musou: Battle Maidens, is a web-based strategy game currently in beta testing for US servers, free to play with Microtransactions. It's been jokingly said that it is like Evony, except that it actually has girls.

The animated adaptation turns it into Yuri Fan bait by removing Kazuto altogether: there are actually very few notable men in any of the episodes. The anime's plot is secondary to gratuitous but surprisingly classy Fan Service and keeps very little from the original novel. It basically consists of the expies of the "Five Tiger Generals" (google it already) coming together from across China to band against the anarchical rule of generic bandits.

The anime based on the first game aired in the summer of 2008, and a second season Shin Koihime Musou aired in the fall of 2009. The third season, Shin Koihime Musou ~Otome Tairan~ aired in the spring of 2010. Prior to Shin Koihime, an animated follow-up OVA was released with the seventh DVD volume, set in a modern Japanese high school (but without The One Guy again). A sequel to the OVA was released on July 7, 2010, where the characters went on a trip to a southern island.

Depending on region, the broadcast episodes can legally be seen for free at Crunchyroll:

 * Koihime Musou
 * Shin Koihime Musou
 * Shin Koihime Musou - Otome Tairan

Compare Ikki Tousen and Ryofukochan. Especially since, as of 2010, Koihime and Ikkitousen are collaborating on the basis of their similar setups.

For individual character tropes, see the full character list.

Tropes in relation to multiple characters or the franchise:
""You and I are close, so we should be "friendly" with each other.""
 * Absolute Cleavage - Apparently a trademark fashion of the Wu faction.
 * Accent Adaptation - Blood Knight Chouryou in the Japanese version had a Kansai dialect. The MangaGamer translator went on the record saying "[he] didn't really bother with making her speech 'accented' this time around, instead focusing more on the personality she conveyed through it."
 * Action Girl - Pretty much any girl that wields a weapon, even some that don't, such as Chinkyuu punishing a stranger for getting too close to Ryofu.
 * A Cup Angst -- Batai and others are jealous of the older girls' large chests
 * The Alcoholic - Gengan's portrayed as one in Otome Tairan; the locals claim she's seldom seen sober.
 * Chouryou may be the other; anyone who can gulp down wine like there's no tomorrow probably has to be one.
 * Alternate Universe -.
 * Amazon Brigade - The Five Tiger Generals, but by Shin Koihime, all factions have their little own brigade, even if they're not named.
 * Kakoton's "Black Knight" brigade in the final episode of season one probably counts; the same goes for Kakouen's "Black Cavalry".
 * Anachronism Stew - Female military and political leaders, modern underwear, maid cafes. This isn't a particularly realistic depiction of ancient China.
 * Animal Stereotypes - Bachou's a horse, Chouhi is compared to either a tiger or a pig, and Chouun to a butterfly.
 * Annoying Younger Sibling - Chouhi and Sonshoukou; Batai probably counts.
 * Anti Frustration Feature - Losing a battle gives you the option to redeploy your troops. This gives you reinforcements to your original troop count.
 * Babies Ever After -.
 * Back-to-Back Badasses - Kannu and Chouhi in the season one opening, Kannu and Chouun, Chouhi and Bachou, Batai and Gien in the Otome Tairan opening.
 * Bad Export for You - MangaGamer was set to distribute the English version of the original game, until they announced that due to licensing cost issues and subsequent demands from Japanese publisher Nexton, said game will be released without voice tracks. MangaGamer tried to reassure potential buyers though by offering a 5 Euro discount for the voiceless version of the game, and that if 2000 copies get sold, they will release a patch that restores the voice tracks. Nonetheless, much of the fanbase weren't very happy about it.
 * Averted, since denizens of a certain Image Board created a voice patch for the trial demo and have done the same for the full game.
 * It should be noted that MangaGamer did release the patch eventually.
 * Bait and Switch Credits - The opening to season one reveals a person obscured by a snow storm. Many viewers assumed that it was Kazuto; it was really.
 * A phoenix was shown in season one's opening; it has never appeared in the series at all.
 * Battle Aura - Kannu and Bachou, among others
 * Beach Episode - The Shin Koihime OVA
 * Berserk Button - Do not call Kyocho "small", mention Sousou's health issue, play dirty in front of Chouryou, or damage Koumei's ink stone given to her by her teacher Shibaki.
 * Bifauxnen - What's up with Kannu wearing a tie?
 * Bachou speaks like a man and in the "right situation" can be mistaken for one.
 * Gien's the series stated tomboy.
 * Big Ball of Violence - Used in the first season and OVA endings, when Bachou tries to steal Chouhi's food.
 * Big Brother Attraction/Big Sister Attraction -- Gien's attracted to Ryuubi due to a striking resemblance to her dead older sister. In an anime-exclusive, Kannu idolized her dead older brother, and her attraction to is primarily because he reminds her so much of him, until
 * Big Damn Heroes - Chouun's re-entry in episode 7, everyone's in episode 12 of season one.
 * Big Eater, Hyperactive Metabolism - Chouhi and Bachou, but Kyocho outperforms both because she's a freaking pro at eating contests.
 * Batai in Shin Koihime was willing to go head-to-head in a tug-of-war with Bachou for a piece of meat.
 * Gengan's just as great a Big Eater herself in Otome Tairan. Perhaps that's how she got her Gag Boobs?
 * And none of them seem to gain a pound despite eating like horses.
 * A hilarious aversion occurs when Gengan invites the gang to a second diner after they've already stuffed themselves at one diner. Naturally, Chouhi accepts, while Ryuubi, Koumei, and (of all people) Batai frantically decline with all sorts of excuses.
 * Big Thin Short Trio - The nameless recurring Mooks.
 * Bishonen - Kazuto, Saji and Ukitsu.
 * Kada Genka in Shin Koihime, and Kannu's brother in the anime.
 * Blade On a Stick - Most of the girls wield polearms.
 * Bleached Underpants - Sort of: there's no actual sex, but dear god, they try to get as close to it as possible.
 * Bloodless Carnage
 * Blue With Shock - Kannu and Chouhi after they found out the monster that caused them to faint was merely a puppet.
 * Kada when Sousou threatens to cut off his head in the Shin Koihime finale.
 * Book Dumb - Enshou and most of the En faction. Chouhi might count, since she can't read.
 * Brick Joke - Played very straight in episode 8 of Otome Tairan: Chouhi develops her double trap again as a way to catch Moukaku. Anyone who've seen the first episode of season one will likely remember Kannu falling for it; in fact, she cements this trope by sneezing herself.
 * Bridge Logic - Played straight in episode two of season one.
 * Broke Episode - Episode three of season one.
 * When a girl in this series is broke, you can usually expect a Meido scene to follow.
 * Cast Herd, Loads and Loads of Characters - A huge number of characters and most belong to a particular faction. Pretty inevitable, really: one thing Koihime Musou inherits from the original novel is a nearly every episode introduces a new character right from the start. Emphasized the strongest in the opening and ending for Otome Tairan, which manages to fit in everyone from the Shin Koihime game, even if it takes them the entire opening to do it.
 * Catgirl - Moukaku and the Nanman girls making up her royal household run around in barbarian-style cat outfits. They also end every sentence with "nya".
 * After Kashin is cured of her feline condition in episode nine of Otome Tairan, she doesn't lose the cat ears. This doesn't help her get rid of the Nanman girls, either.
 * Censor Steam - Lampshaded a lot in the Hot Springs Episode, partially subverted in the collective DVD volumes, where it's "semi-censored". Shin Koihime manages to enable censorship...through use of rays of sunlight.
 * Charm Person - The Chou Sisters make use of this at first for gifts from their fans, but there are more sinister applications that come to light.
 * Chef of Iron - Sousou in the Shin Koihime anime, but Ten'i fits the bill better (the "Ordinary" type):.
 * Chekhov's Gun - Remember Ryuubi's sword coming from that dragon when she saved that village back in Shin Koihime, and given to her at the beginning of Otome Tairan? Apparently, it's the only thing that can kill the.
 * Kada explains that.
 * Cherry Blossoms - Where Ryuubi, Kannu and Chouhi make their pact, a la the novel. They also seem to do a lot of their bonding under the trees.
 * Chick Magnet: Kazuto managed to somehow attract almost every girl.
 * Cipher Scything - As stated in the article, the animated adaptation removes Kazuto altogether.
 * Combat Commentator - Appears during Enshou's tournaments and in the OVA's student council competition.
 * Conjunction Interruption - When Chouhi or any of the characters try to object to a plan, they're usually cut off before they can finish.
 * Cosplay - Done during all of Enshou's ridiculous tournaments.
 * The Nanman Barbarians all wear tiger costumes.
 * In the Shin Koihime game, most of the girls turn into Cosplay Otaku Girls, ranging from French Maid to Playboy Bunny outfits.
 * Continuity Nod - Several small events get referenced throughout the anime series. For example in the last episode of Shin Koihime Musou, Chinkyuu has a chess match with Kaku. The latter appears to be winning handily until Chinkyuu's pet dog knocks over the game board. In Shin Koihime Musou Otome Tairan, Chinkyuu has a match with Keifa and Chinkyuu gestures for her dog to disrupt the game again but this time Keifa had one of her comrades distract the dog... Other smaller examples are Enjutsu using the cup that Koumei traded for Ryuubi's sword in all subsequent episodes and the pit traps Chouhi used on Kan'U which is subsequently used on Moukaku.
 * Covert Pervert - Koumei; she manages to rope in Houtou in the Shin Koihime game.
 * Cranial Eruption - Gien gets this as punishment for being "overzealous" with Ryuubi when she was helping her bathe.
 * Chouun back in Shin Koihime for embarrassing Kannu in front of Mooks.
 * Cross-Popping Veins - Many characters
 * Cute Little Fangs - Chouhi and the Nanman Barbarians.
 * Cuteness Proximity - Shutai tends to lose it around cute critters, especially cats.
 * Dancing Theme - Otome Tairan's ending, with loads of Super Deformed.
 * Day in The Life - One episode in Shin Koihime chronicles the Chou Sisters rise to stardom.
 * Delinquents - Chouryou; Chouhi's like this initially, but calms down a bit.
 * Gien in Otome Tairan began as one; apparently her ego's so high she wanted to show off her skills by being a troublemaker, which is the reason for all those Cool And Unusual Punishments from Gengan. She cools off and is forgiven by her master after saving Ryuubi from a second Attempted Rape.
 * Death Glare - Chouun will give one to whosoever dares to even look at her Trademark Favorite Food. Somewhat flanderized progressively throughout the anime.
 * Chouhi gives a REALLY scary one to scare away a tiger in Otome Tairan.And then she gets it stuck...
 * Detached Sleeves -- Kannu and many others
 * Distracted By the Sexy -- OVA:.
 * Gien nearly gets maimed by Chouhi after letting the sight of a flushed, panting Ryuubi get to her.
 * Does This Remind You of Anything? - All over the place!
 * One example would be Sonsaku telling Shuuyu that her "rear gate isn't well defended".
 * Double Entendre - Chouhi when mentioning her relationship with Kannu.
 * Lampshaded by Sousou in the Shin Koihime anime to Kannu:
 * Chouhi gives a REALLY scary one to scare away a tiger in Otome Tairan.And then she gets it stuck...
 * Detached Sleeves -- Kannu and many others
 * Distracted By the Sexy -- OVA:.
 * Gien nearly gets maimed by Chouhi after letting the sight of a flushed, panting Ryuubi get to her.
 * Does This Remind You of Anything? - All over the place!
 * One example would be Sonsaku telling Shuuyu that her "rear gate isn't well defended".
 * Double Entendre - Chouhi when mentioning her relationship with Kannu.
 * Lampshaded by Sousou in the Shin Koihime anime to Kannu:
 * Lampshaded by Sousou in the Shin Koihime anime to Kannu:

""Oh. We weren't supposed to lick them and make sucking noises?""
 * The whole damn series uses this humor often.
 * Erotic Eating - A particularly gratuitous scene in the Shin Koihime anime involving candy. Lampshaded a moment later by Chouun:


 * Bachou just before she has her Mushroom Samba moment.
 * Hair Decorations - Several of the girls have these, and given it's the Three Kingdoms era, expect elaborate hair styling.
 * Evil Debt Collector - Mooks in episode 7 of season 1.
 * Expressive Hair Ornament - Chouhi's tiger hairpin always mimics her facial expression. Teiiku in Shin Koihime has an egg-shaped ornament that does something similar.
 * Eyecatch - Some are cute, others are funny, the rest are just plain ecchi, mostly after the ending. Also done in a well-edited manner for the Iron Chef episode in Shin Koihime.
 * Eyepatch of Power - Kakoton gets one (and a snack) after getting shot in the eye by an archer (game only).
 * Face Fault - Many characters in response to certain characters, namely Chouun and Chouhi's randomness and ridiculousness. This usually leads to Panty Shot moments.
 * Fan Boy - Yellow Turbans toward the Chou Sisters
 * Fan Girl - In-Universe: Ukin and Ryuubi to the Chou Sisters; Ryuubi again to Chouun while in her Paper-Thin Disguise
 * Fan Service - Everywhere; you can't go 30 seconds without encountering a moment.
 * Fan Service With a Smile -- See Meido entry
 * Final Speech - Although Bachou's father Batou sustained a, he was able to request.
 * Fire-Breathing Diner - Gakushin with her mystery meal to Chouhi, Koumei and Mao in the Shin Koihime anime; surprisingly, Gakushin herself seems unfazed by the lava-like heat.
 * First-Name Basis - Somehow, Shin Koihime's first episode is dedicated just to this trope...
 * Five Woman Band - A party of this type gets formed for most of Shin Koihime:
 * The Heroine - Kannu
 * The Lancer - Choun
 * The Big Girl - Chouhi (even if she is pretty small)
 * The Smart Girl - Koumei
 * The Chick - Ryuubi
 * Done in a more hilarious fashion by the same 5 girls using a Magical Girl motif with everyone in Sailor Fuku-type outfits (except Chouhi, who wore an animal costume):
 * Tagalong Kid - Batai (as of Otome Tairan)
 * The Sixth Ranger - Gien (as of Otome Tairan)
 * Flash Back - Kannu, Bachou, and Chouhi among others; Chinkyuu gets a Whole Episode Flashback in Shin Koihime.
 * Foreshadowing - In Otome Tairan, there's a close-up of Koumei's chipped ink stone. We find out later that the one who damaged it.
 * Gainaxing - Occasionally happens to some of the girls with large breasts, but especially to Kannu (even when slicing a radish ) and Chouryou (done guilty just by walking).
 * Gender Flip - There are downsides, like Chousen and Himiko being turned into Hard Gay; however, the true aversions are Kada Genka, Saji, Ukitsu and Sonshoukou.
 * Genius Bruiser - several of the characters have shades of this in the Visual Novels such as Kannu, Chouun and Kouchuu. All of them are pretty formidable fighters but Kannu is essentially her kingdom's Minister of War and runs their military apparatus, Chouun unofficially handles Military Intelligence and covert warfare while Kouchuu is a brilliant civil administrator who pretty much runs the day to day affairs of the provinces under their control freeing Koumei to work on infrastructure improvements and "big picture" projects. In the anime Ryoumou in particular has trained as both a Son Family elite bodyguard and as an apprentice strategist, marrying both Brains and Brawn in one character.
 * Genki Girl - Kyocho, though she isn't the only one.
 * Ghostly Goals - In Shin Koihime, the deceased mother of an orphan befriended by Ryuubi and company comes back to teach the selfish Enjutsu not to disregard the living or the dead.
 * Girl in A Box - Played for laughs in Otome Tairan: Batai hides in a huge box labeled "Bento" (which fools Chouhi enough for her to bring it unquestioningly) so she could tag along with the team's expeditions (and she does it twice, though Koumei sees through the ruse both times)..
 * Done in a "two-for-one-special" method by Kannu and Chouun in the first season episode two in order to sneak into the bandit's mountain hideout, with a few funny moments along the way.
 * Girls Are Really Scared of Horror Movies - While it's true Kannu and Chouhi are brave, strong warriors, put a horrifying supernatural monster in front of them, and watch them scream their heads off and run for the hills. . A scary story from Chouun's enough to give them cold feet.
 * Done to Crowning Moment of Funny lengths in Shin Koihime:
 * Hexagonal Speech Balloon
 * Hey It's That Voice - While most girls are voiced by new, perhaps unheard-of seiyuus, the guys, with the exception of the Player Character, has veterans to speak of, which includes:
 * Tomokazu Seki -
 * Takehito Koyasu - Ukitsu (Yu Ji)
 * Hikaru Midorikawa - Saji, who doubles with the above as Relationship Voice Actor
 * Nobuyuki Hiyama - Kada Genka, who doubles with Actor Allusion by acting suspiciously like the King of Braves
 * Norio Wakamoto - A genderflipped Chousen, the Expy of Diao Chan, a macho-looking, flamboyant man who could really pass as a Cho Aniki character. He wears a pink speedo and constantly twinkles...* shudder*
 * Yosuke Akimoto (AKA Master Asia) - A genderflipped Himiko, with as much Nightmare Fuel and Hard Gay with Chousen
 * Ryuubi is Mai Goto, who is Mika Nogizaka in Nogizaka Haruka no Himitsu and Mizuki from Ef a Fairy Tale of The Two. Coincidentally, Shin Koihime aired alongside the former show's second season.
 * A blink or you'll miss it for Blaz Blue players: Kakuka is voiced by Tsubaki Yayoi's seiyuu. And Choukun's seiyuu is Boobie Lady/Litchi Faye Ling's
 * Houtou is voiced by Yuko Goto
 * Ryomou is voiced by Kaori Mizuhashi
 * Choujou is voiced by Akiko Yajima. Doubles as a Relationship Voice Actor to Takehito Koyasu and Hikaru Midorikawa for being Relena, Zechs, and Heero.
 * Hidden Buxom --
 * High School AU - The OVA included on the seventh DVD of all three seasons. Notably, the high school is St. Francesca, the same school in one of BaseSon's previous visual novels, Harukoi*Otome.
 * Homage - In the OVA, the scene with Kayuu and Chouryou at the cruise ship's bow is a homage to Titanic. It ends humorously though.
 * Honor Before Reason - Kannu and Bachou and many others
 * Hopeless Suitor - It's highly unlikely Ryuubi will ever answer Gien's feelings.
 * Sousou could be considered one with regard to Kannu. As of the last episode of Otome Tairan, Chouryou, the Blood Knight, seems to have fallen for Kannu as well. And judging from Kannu's reaction, Chouryou seems to fit this trope well.
 * Hot Blooded - Bachou, but to a lesser extent, Chouhi, who can cure colds by going berserk
 * As well as Kada in the Shin Koihime anime, to a point where he even sneezes hot-bloodedly. Still, considering who voices him...also, it's THE WAY OF FIVE GRAINS!!
 * Batai and Gien in the Shin Koihime game seem to fight over almost anything, even if it's something silly and mundane.
 * Hot Springs Episode - Episode nine
 * I Ate What? - Subverted when Ten'i hinted to Kannu's group what the main ingredient in her meat buns were, they freaked-out when they thought she meant, when really she meant ; they're very relieved when they found out that it was the latter. Later on it's implied Bachou might've added something extra to the fish for dinner...
 * I Call It Vera - Kanu's Seiryuengetsutou (Green Dragon Crescent Blade), Ryofu's Houtenkageki (Heaven Piercer) and Chouhi's Viper Spear among others.
 * I Gave My Word - Kannu does this frequently when making promises; Sousou constantly reaffirms her promise to Kannu to get her to "cooperate"
 * I Knew It -
 * I Know What We Can Do Cut - Episode 12 of Shin Koihime employs this
 * Idol Singer - Choukaku, Chouhou, and Chouryou from Shin Koihime (AKA the leaders of the Yellow Turban Rebellion), complete with makeshift microphones, though we don't actually get to hear them singing during their "live performances" in the game. The anime, however, sports them with magical ones and play this trope straight
 * Kannu and Chouhi become such in a promotional video before the airing of Shin Koihime
 * A special DVD release shows this video to be a full-fledged concert, with the two girls soon joined by several others of the Shu Faction: Ryuubi as a third Idol Singer, Bachou on bass, Kouchuu on keyboards, Koumei on drums, and Chouun Kacho Kamen on lead guitar
 * Imagine Spot -- Different characters when thinking about MIA friends
 * Keifa develops an incredibly ecchi one, involving licking Sousou's feet and being stepped on
 * In the Hood -- Chouun at various times, though Kannu does this earlier at the beginning of the series
 * Kashin in Otome Tairan
 * Also
 * Improbably Female Cast -- ...Until  shows up...
 * Ineffectual Death Threats -- Kannu constantly employs this when encountering bandits
 * Bachou states she will kill Sousou but has since given up on it after asking a favor to provide reinforcements in the season one finale
 * Sousou keeps claiming she'll have Kada's head, but he seems safe...at least for the moment...
 * Inner Monologue -- Kannu, Bachou and Chouryou, to name a few
 * Innocent Innuendo -- In Otome Tairan, when Kouchuu mentioned to everyone that Riri heard Bachou making strange noises when she was alone in her room, Chouun jumps the gun, thinking she was having A Date With Rosie Palms
 * It Tastes Like Feet --
 * Sousou keeps claiming she'll have Kada's head, but he seems safe...at least for the moment...
 * Inner Monologue -- Kannu, Bachou and Chouryou, to name a few
 * Innocent Innuendo -- In Otome Tairan, when Kouchuu mentioned to everyone that Riri heard Bachou making strange noises when she was alone in her room, Chouun jumps the gun, thinking she was having A Date With Rosie Palms
 * It Tastes Like Feet --


 * JAM Project -- Or at least Masami Okui herself sings the opening of Otome Tairan, arguably making it sound Badass
 * Jerkass -- Chouun acts this way toward Kannu and Chouhi sometimes.
 * Joshikousei -- In the OVA, all the girls wear these
 * Ki Attacks -- Kada and his needles, Kousonsan in her fight against Enshou, Gakushin when fighting the stone soldiers
 * Lap Pillow -- Chouhi does this to both her older sisters, Chouryou to Gakushin in the Shin Koihime game
 * Large Ham -- When it comes to beating up bandits, Kannu loves announcing it with hams. Chouun's pretty good at making up fabulous stories and entrance speeches, too
 * Played hilariously in the Shin Koihime anime: when Chouun introduces Kannu to the bandits by "hamming her up" with embarrassing stuff, she gets a lump on the head from Kannu in response, the bopping hidden by a Relax-O-Vision)
 * THE WAY OF THE FIVE GRAINS! That is all.
 * The Law of Conservation of Detail -- You have to be colorblind not to be able to tell who is or will be important
 * Les Yay -- All over the place. For one, several of the main characters are openly interested in other women, notably Chouun. Then, there's Sousou's harem...
 * In the OVA, Sousou upholds her reputation by going at it with Keifa on-screen
 * Kakuka appears to be extremely enthralled by Sousou
 * Otome Tairan takes it Up to Eleven when Sheren (Sonsaku) and Shuuyu were going at it off screen which includes rear gates, camps, and everything you can use as a strategy.
 * Moukaku and her gang of cat girls appear to be obsessed with large breasts.
 * Ganryou and Bunshuu of the En faction truly care for each other. Too bad their boss is nuts.
 * Gien falls in love with Ryuubi at first sight.
 * The scene where Ryuubi is saved by Butterfly Mask (Chounn).
 * Letting Her Hair Down -- Kannu normally keeps her hair in a side-ponytail, but lets her hair down on a few occassions. Likewise, Bachou usually ties her hair in a regular ponytail, but does this trope when she wears a girly dress in one of Enshou's silly competitions
 * Lighter and Softer - Compared to the original novel and some other "adaptations" such as Ikki Tousen. For one very few characters are outright evil and several of the villains of the original novel have heroic upgrades.
 * Look Behind You -- Played totally straight with a bear
 * Lost Him in A Card Game -- Sonshoukou bet Kannu in a contest against Sousou, while Sousou bet herself as well as Kakoton and Keifa
 * Love Bubbles -- During Sousou and Keifa's scene in the OVA, or when Koumei thinks Bachou and Ryuubi were together in Otome Tairan
 * Lucky Charms Title -- Actually, the show's title is "Koihime†Musou"
 * Luminescent Blush -- Prevelent with all the girls, though Kannu makes the best use of this trope
 * Magical Girl -- Ryuubi, Kannu, and Chouhi become these in the Shin Koihime Musou OVA.
 * Which is also a Shout Out to Demashita Power Puff Girls Z - Aside from the color motifs, Ryuubi takes after Hyper Blossom (complete with the ribbon), Kannu is modelled after Rolling Bubbles (her attack involves shooting "Carbonated Water"), and Chouhi takes after Powered Buttercup (complete with a hammer, with its head made of Daikon).
 * Magnificent Bastard -- Quite possibly Ukitsu; Choujou in Otome Tairan might count
 * Manipulative Bastard Con Man --
 * To some degree, Enjutsu follows this,
 * Though it's important to note Enjutsu tends to be manipulated by her own aide, Choukun
 * And fortunately for the heroines, Enjutsu gets out-manipulated by Koumei
 * Massively Multiplayer Crossover - The franchise appeared alongside three other Eroge series in Twinkle Queen, a Fighting Game that was released for the Nintendo Wii in August 2010
 * Meganekko -- Kaku, Shuyuu, and Rikuson, but Koumei also sports a pair in some Super Deformed sequences. Shin Koihime introduces Kakuka and Ukin, as well as Ryomou, who sports a unique monocle
 * Interestingly, Ryomou in Otome Tairan is the only one shown having an explicit case of being Blind Without'Em. This goes as far as to give some people a false impression she's ill-tempered because of her tendency to squint
 * Meido -- Meido cafes in Ancient China = win...or not, especially when Ryoufu attempts to work in one
 * Mistaken for Gay -- Kannu and Chouhi's relationship when Chouhi tells people about their "vow of sisterhood" and that they "pledged their relationship in bed"
 * Bachou and Ryuubi were seen in a "compromising" position in Otome Tairan
 * Mistaken for Pregnant -- Kada mistakes Sousou for this when questioning her about her "illness". Ryuubi in Otome Tairan uses it for comedic effect
 * Moe -- Almost the entire female cast
 * Mood Whiplash -- Otome Tairan begins with General Kashin being fed what appears to be poison;, then it cuts off to Cherry Blossoms
 * Mooks -- The bandits exist solely for the purpose of having their asses handed to them by the heroines in every damn engagement
 * Muscles Are Meaningless - Very few characters are drawn with a muscular physique but some of the more diminutive characters are among the physically strongest such as Chouhi or Kyocho. The exceptions are Himiko and Chousen although for other reasons.
 * Musical Episode - Done in the second season finale. There's even a sing-off, and a song to stop the war against the Yellow Turbans.
 * In fact, this lead fans to believe season two was a "musical season", which then lead to an OVA of Kann'u and Chouhi singing at a stadium. Apperantly, writing group Go Zappa were quite into music for this season.
 * Mythology Gag - In the some of the anime endings, the girls are seen wearing new outfits. Several of these are from the visual novels such as Koumei's "fairy" outfit.
 * Nakama -- All factions reflect this: their friends/comrades are their family
 * Naughty Tentacles -- Shin Koihime OVA, most prominently to Chouun
 * Nice Hat - Worn by some of the girls, most prominently Sonken. The majority of the girls get one in the original visual novel's harem ending
 * Nightmare Fuel In-Universe example: Chouun makes a face so that her friends can remember her by. While the camera only reveals the girls' disturbed reactions, the Blu-Ray release decidedly censors her face, preventing the audience from seeing it. It's probably too disturbing that the animators dare not show it
 * In-game and full Expy example:
 * Ninja -- Go Kingdom has these
 * No Periods Period -- Averted for a pun in the first On the Next of Otome Tairan
 * Averted when Kada questions Sousou about her "illness", mistaking "it" not happening for a month to refer to this
 * Not What It Looks Like --
 * One Steve Limit -- Subverted somewhat in the Shin Koihime anime:
 * Both the Shin Koihime game and anime introduces Idol Singer Chouryou, not to be confused with the Blood Knight Chouryou
 * Only One Name -- Simultaneously played straight and subverted: all characters have their family names mashed together with their given ones, but each has at least two more given ones
 * This is out of a Translation Convention for all Ro TK adaptations in Japan; where the full name of the character is considered as a family name for all facts and purposes, and the "given name" would be assigned to the courtesy name.
 * Only Six Faces -- The recurring bandit gangs parody this: the same three bandits -- a short guy, a fat guy and a skinny guy seem to be in charge of every bandit gang, but they never recognize the main characters
 * Out of Focus -- Happens pretty much everytime with Kouchuu, despite being an Expy of the one of Shu's 5 Tiger Generals (Huang Zhong), as she usually relegates herself guarding the city while the rest travel on adventures.
 * Overshadowed By Awesome - This generally involves the Shu generals where they typically can defeat all comers or at most can force a draw (except for games where you are allowed to play as other factions for obvious reasons). It really hits when Ryofu enters the battlefield though; in the anime not even Chouun, Kan'U and Chouhi working together can phase her.
 * Panty Shot -- Many characters; Bachou makes for a very memorable one during her training with Batai, at which the latter laughs
 * Paper-Thin Disguise -- After being separated from the group, Chouun reappears during a Big Damn Heroes moment wearing a papillion mask, dubbing herself Kacho Kamen (Butterfly Mask); it only fools Chouhi
 * In the first game, however, she manages to fool everyone, sans Koumei and Kazuto, while in Shin Koihime, it becomes a fad when Chouun gets Koumei and Ryofu to wear similar masks. Even Chousen joins in the fun
 * The mask returns in the Shin Koihime anime, but heads into Les Yay territory when Ryuubi's so fooled she becomes enamoured with Kacho Kamen and blatantly tells the later undisguised Chouun of such
 * Chouun tries the "recruitment" path at the end of the Shin Koihime anime with the Chou sisters; the ending begins dragging because Chouun was Late to The Party
 * Petite Pride -- Sousou and Keifa, who're fairly flat-chested, are instead proud of their bust size, or at least claim to be, stating size isn't the only important factor: shape, color, and sensitivity matter, too
 * Plucky Comic Relief -- Chouhi among other characters
 * Potty Emergency -- A large part of episode eleven of Shin Koihime
 * The Power of Rock -- The battle against the Yellow Turban Rebellion in the Shin Koihime anime finale is fought not with weapons, but with songs. The Chou Sisters vs. Enjutsu, Choukun and Kakuka, though almost everyone else joins in for song powered by friendship
 * Princess Curls -- Enshou and Sousou
 * Promotion to Parent -- Kannu tries to avoid this at all costs, but everyone she meets keeps thinking she's Chouhi's mother
 * When she convinces others she isn't, people usually start seeing their relationship in a totally different light, which she finds worse
 * Psycho Lesbian -- Sousou is a borderline case, since she does get better, but some of her actions in the first season are ... rather questionable.
 * Rapunzel Hair -- Many of the girls have hair ranging from waist-length to practically touching the ground, even from full standing height. Some, particularly those with the longest, are kept in ponytails. In the Shin Koihime game, Sonken's hair reaches ground level, but she
 * Relationship Reveal -- Sonsaku/Shuuyu
 * Relax-O-Vision -- Used humorously for concealment of certain "stuff"
 * Once in the OVA when the announcers tried to explain why Kacho Kamen was in Chouun's place in one of the contests. Of course, the audience knows it's the same person, but it cuts the conversation short (implying it was supposed to be a secret) and the show proceeds to a much later scene
 * Used again in the Shin Koihime anime when Chouun is introducing Kannu to the bandits and starts saying something really embarrassing about her. ROV cuts the talk short; moments later, the scene returns with Chouun now sporting a lump on her head
 * The Rival -- Chouhi positions herself as one to Koumei, with all due Subtext. Chouhi also has a fierce rivalry with Sonshoukou. And, of course, Chouhi and Bachou's friendly competitiveness
 * Gien and Batai are bitter rivals as of Otome Tairan
 * Rule Sixty Three
 * Schoolgirl Lesbians - OVA
 * Seinen
 * Seme -- Chouun asks Chouhi and Kannu which of them is the "seme" and "Uke", clearly having her own ideas of their sisterhood, which doesn't help Kannu when Chouhi states she'd rather be the seme of the two
 * In one episode preview, Kouchuu "teaches" that girls with blond curls (namely, Sousou) are the seme, while girls with a side-ponytail (specifically, Kannu) would be the uke. Man, they really aren't subtle about this, are they?
 * Series Hiatus -- The manga, based on the first game, has only released one volume in the 2 years since it began. By this point it might actually be seen as null
 * Serious Business -- Eel sandwiches, apparently the main source of strife in the OVA
 * Shout Out -- Happen a lots
 * Chouun explains she became Kacho Kamen following death, meeting with Ultraman and getting resurrected.
 * In same episode, after Ryuubi, Kan'u and Chouhi were those rings they turn into those wannabe Japanese girls
 * Chouun herself may be an Shout Out to Rei Ayanami. Both have blue hair, red eyes and Chouun's spear suspiciously resembles the Lance of Longinus
 * Appearance-only though, considering her personality is about as far on the other side of Rei's
 * Also Kada Genka's HIKARI "GENKI NI NAREEEEE!!!!"
 * One of the spells used by the Chou sisters bears a remarkable resemblance to the Dragon Slave
 * A CG in the latest game, moeshouden, shows Kazuto with with 6 other Mooks from the various factions hunting a dragon which painfully looks like Raviente
 * Keifa's crush with Sousou is abit similar to Kessen II where Female Xun Yu also has a crush on Cao Cao
 * In Shin Koihime Musou, Enshou attacks very similar to that Spam Punch.
 * She Is the King: Moukaku
 * Show Some Leg -- Chouun plays this in season one. Repeated later by Sonshoukou, except she strips completely down to her underwear
 * Skinship Grope -- Ryofu when she bathed Chinkyuu; according to the latter it "tickled"
 * Gien gets so "excited" when helping to bathe Ryuubi that she scrubs her breasts until we hear a scream. We find Ryuubi passed out and needing time to recover from the ordeal
 * Slasher Smile -- Kannu, after a boy threw rocks at her and called her names in season one; also done with Chouun a few times
 * Sleep Cute -- Chouhi effectively blackmails Kannu into this. Ryofu and Chinkyuu in Shin Koihime
 * Smug Snake --
 * Sneezing -- Happened to Pairen when people mentioned how she had Ryuubi's sword. Also happened to Kada when Chouhi mentioned his name. Used as a Running Gag in Otome Tairan with Kannu being referenced several times in one episode by Chouhi and crew.
 * Sorry to Interrupt -- Koumei to Bachou and Ryuubi in Otome Tairan
 * Sparkling Stream of Tears, Ocular Gushers -- Chouhi and Keifa at various times
 * Spoiler Title -- In a possible Shout Out to Mazinger Z, the title of episode two in season one is "Kannu is going to die with Chouun". Guess what DOESN'T HAPPEN.
 * Stealth Hi Bye -- Ryofu does this to Chinkyuu when she's having trouble sleeping, she just popped-up out of nowhere
 * Chouun's reappearance in Otome Tairan
 * Strong Family Resemblance -- Kannu and her brother, Bachou and Batai
 * Super Deformed -- Usually happens during light-hearted scenes, such as the ending video. Subverted in the DVD versions, though
 * Suspiciously Specific Denial -- Chouhi claimed she would never become friends with the children in Touka Village after they played a prank on her. They're immediately fast friends in the next scene
 * Bachou once told the others she wet herself a little. When asked by Kannu what she had just said, she tries denying she said anything at all
 * Sweat Drop -- Kannu among others
 * Tactical Rock-Paper-Scissors - Battles in the visual novels: archers beat spearmen, spearmen beat calvary, calvary beat archers
 * Take My Hand -- Kannu and Chouun pull this off in episode two of season one
 * Talking in Your Sleep -- Bachou, Chouhi, and Moukaku at various times; the latter two have also been known to bite in their sleep
 * Tall, Dark and Bishoujo -- Kannu, though Chouun matches the personality, too
 * A Taste of the Lash -- Chouhi almost received this in the very first episode as punishment for her constant outrageous pranks. In the OVA, Totaku feigns giving Ryofu's puppy this; the reason is so Ryofu's motivated to win the three-legged race
 * Team Mom -- Kannu, especially towards Chouhi and Koumei; Kouchuu in the visual novel
 * It appears Kannu doesn't want to relinquish the Team Mom position in the anime, given how she absolutely doesn't want Ryuubi to become the eldest of their sisterhood pact
 * Considering what Ryuubi is compared to Kannu, it's more or less justified...
 * Ten Minutes in The Closet --
 * Theme Tune Cameo -- In the finale of Shin Koihime, Kakuka has a flashback of her singing the ED after getting out of the shower, and the group performs the OP during their battle of the idol singers
 * Token Mini-Moe -- Chouhi and later, Koumei. Kouchuu's daughter Riri might count
 * Tome of Eldritch Lore -- In the Shin Koihime anime, there exists a magical book "Crucial Keys to the Way of Peace", with a slight mind of its own, thus even if used for good, will cause misfortune and strife. Was in the possession of.
 * Too Long; Didn't Dub -- Because all translations insist on using the direct Japanese equivalents of the characters' actual Chinese names, most of the international audience don't even know it's based on Romance of the Three Kingdoms, and those who do have an incredibly hard time following along trying to keep track of who everyone's supposed to be.
 * Trademark Favorite Food -- Just makes sure you don't steal Chouun's leftover menma (bamboo shoots); she loves that stuff. Enjutsu's a huge fan of honey and honey water.
 * If you look closely at the first ED, you'll notice Chouun is happily eating a huge plate of nothing but menma.
 * Training From Hell -- Bachou puts her cousin Batai through this in Shin Koihime. Apparently, it's a standard training regimen for their family/village martial art style (or so claimed by the former). Said regiment includes (but not limited to):
 * Bunnyhopping with a big weight tied to one's waist, fast upside-down situps while hanging from a tree, swinging a log, and push-ups while having someone sit on one's back - and all this is just warm-up
 * Tying oneself to a tree, then jumping into a raging whirlpool - to build resistance against all kinds of movement
 * Doing a handstand while circling around a volcano crater
 * Playing baseball against Kouchuu's arrows using a decent sized log as a bat - to improve one's ability to track high-speed projectiles
 * Troperrific - For a niche series, that's quite the accomplishment.
 * Tsundere -- There's at least one in every faction in the visual novel, but Bachou, Sousou and Sonken stand out the most. In the anime, Sousou tailors to this trope's requirements by the final episode of season one
 * In the games, particularly the first game, Kannu and Shokatsuryou actually exhibit this quite a bit as well, mainly as Type B.
 * Twelve-Episode Anime -- Every season thus far
 * Twitchy Eye -- Kannu and others when annoyed
 * Two-Teacher School -- In the OVA, Sonsei and Kashin are the only teachers, while Kouchuu is the school nurse, and Chousen the principal
 * Underboobs -- Ukin in her battle outfit in the visual novel, and in some angles of the anime. Naturally, Chouryou, since she wears a Sarashi. Riten in the Otome Tairan OP season
 * Unusual Euphemism -- In episode 1 of the second season. Bachou kept on trying to have Rin Rin say her true name by practicing on a drawing, a process which Riri saw. When Riri describes what she saw, Choun wonders if what Riri saw was, in her words, "using her fingers to ride the stairs to heaven."
 * Unwanted Harem -- Subverted: the series should enter the history of anime as one of the few harems without a male lead to speak of. Hells yeah!!! The visual novel plays this trope straight, however
 * Also subverted with Sousou, who seems to not mind it whatsoever, and maybe even enjoys it.
 * Updated Rerelease -- The PS 2 version of the first game has endings for Chouun, Bachou and Kouchuu
 * Upperclass Twit -- Enshou and Enjutsu
 * Verbal Tic -- Chouhi's "Nano da!" and Ukin's "-nano", although she ends some sentences with just "-no"
 * The Nanban Barbarians' "Nyaa!"
 * Visible Sigh -- Kannu among others
 * Volleying Insults -- Enshou's team loves to engage Sousou's in such confrontations
 * Waif Fu -- Almost all girls in response to going up against mooks, most notably Chouhi, Kyocho and Ten'i. Ryofu's strength is the most extreme, though Chouryou's able to ground Kyocho's flail effortlessly
 * Walking the Earth -- The series is famous for almost always having its main characters on either random adventures, or fetch quests.
 * Shia fits this trope well. In the beginning she's a self-described vagabond, who only travels so that she can fight strong people and do part-time jobs so she can afford her precious alcohol.
 * Weapon of Choice - Rather than the standard tropes, the Shu faction tends to favor polearms, the Wu faction largely use swords and the Wei faction bucks this trend by each having their own weapon. Anyone using an oversized regular weapon or toy is probably a comic relief character.
 * Who Would Be Stupid Enough - Apparently you, Kannu, for falling into a trap meant for Mooks set by kids
 * Wire Dilemma -- In Otome Tairan the Nanban Elephant gets turned into a raging beast which no one can defeat, and Chouhi has to cut off its fake tail to get it to return to normal
 * Wise Beyond Their Years, Innocent Prodigy -- Koumei; to an extent, Toutaku
 * With Friends Like These -- Chouun loves to tease and publicly humiliate, as well as molest her friends. Batai too, but she adds in blackmail
 * World of Action Girls
 * Yuri Fan -- Chouun seems to think Kannu and Chouhi get along rather, er, "well"
 * Zettai Ryouiki -- It's easier to say who doesn't wear it, namely, Chouhi and Keifa
 * Who Would Be Stupid Enough - Apparently you, Kannu, for falling into a trap meant for Mooks set by kids
 * Wire Dilemma -- In Otome Tairan the Nanban Elephant gets turned into a raging beast which no one can defeat, and Chouhi has to cut off its fake tail to get it to return to normal
 * Wise Beyond Their Years, Innocent Prodigy -- Koumei; to an extent, Toutaku
 * With Friends Like These -- Chouun loves to tease and publicly humiliate, as well as molest her friends. Batai too, but she adds in blackmail
 * World of Action Girls
 * Yuri Fan -- Chouun seems to think Kannu and Chouhi get along rather, er, "well"
 * Zettai Ryouiki -- It's easier to say who doesn't wear it, namely, Chouhi and Keifa
 * Zettai Ryouiki -- It's easier to say who doesn't wear it, namely, Chouhi and Keifa