Prism Ark

Description from The Other Wiki

PRISM ARK ~PRISM HEART II~ (プリズムÂ·アーク 〜プリズムÂ·ハート エピソード2〜, Purizumu Āku ~Purizumu Hāto Episōdo2~?) is a Japanese erotic video game and the sequel of Prism Heart developed by Pajamas Soft. Its first release was on August 25, 2006. This work contains adult-only content of a sexual nature.

An anime entitled PRISM ARK began airing on Chiba TV, on October 8, 2007.

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Tropes associated with Prism Ark

 * Achilles' Heel: The Angel's crystal forehead. It is invincible against any attack until you cast magic to Attack Its Weak Point.
 * Berserk Button: Litte has an evil aura which scare people off whenever she's upset. Karin goes nut and becomes crazily dangerous when ghosts are nearby (or that she thinks they are).
 * 2007 FBC manga's Hyaweh, to Nightmare Fuel territory.
 * Bleached Underpants: Though still large in Fan Service
 * BFS: Acty's Sword
 * Clothing Damage: Precia is the main victim of this.
 * Church Militant: Theresa/Sister Hell
 * Crouching Moron, Hidden Badass: Kizarov
 * Darker and Edgier: The 2007 manga version by FBC have changed moe-moe element into darker, bloodier story and characters with crazy eyes. Karin was totally different from her original game counterpart.
 * Demoted to Extra: Felia in 2007 manga.
 * Dropped a Bridge on Him: The whole Windland knight academy in the 2007 manga. Litte is not pleased.
 * Everything's Better with Princesses: Precia,
 * First Girl Wins: Outside of the game, Precia is a main love interest.
 * Good Eyes, Evil Eyes: FBC Hyaweh, post Break the Cutie, so much.
 * Genki Girl: Fel and Filia.
 * Heroic BSOD: Hyaweh get a serious one in the FBC manga which turned him into a darkside.
 * Hey, It's That Voice!: WHO THE HELL DO YOU THINK HYAWEH'S SEIYUU IS!?
 * Humongous Mecha : The "Angels".
 * Hyper Awareness: Hyaweh and Felia can feel the wind.
 * Idiot Ball: Acty, probably...
 * Lovable Sex Maniac: Kizarov
 * Naked First Impression: Hyaweh & Precia, applied with Precia's parents as well.
 * Porn with Plot: the original H-game, at least.
 * Put On the Bus: Due to Dropped a Bridge on Him above. Litte is not happy about this.
 * The Anime of the Game
 * The Messiah: Hyaweh in the anime adaption.
 * The War Sequence: First episode
 * Token Mini-Moe: Fel, Filia, Litte while most of others have large breasts.
 * Tsundere: Guess who...