Genres: Action, Adventure, Animation, Anime, Fantasy, Horror, Science Fiction

Keywords: tmdb.amnesia, tmdb.monster, tmdb.swordplay, tmdb.vampire, tmdb.supernatural, tmdb.secret-organization, tmdb.gore + 66 more, tmdb.rivalry, tmdb.betrayal, tmdb.conspiracy, tmdb.disaster, tmdb.gunfight, tmdb.epidemic, tmdb.catholic-school, tmdb.military, tmdb.anti-war, tmdb.dark-fantasy, tmdb.shounen, tmdb.anime, tmdb.reverse-harem, tmdb.angst, imdb.murder-of-a-baby, imdb.vietnam-war-veteran, imdb.punctuation-in-title, imdb.dog, imdb.killing-an-animal, imdb.teenage-girl, imdb.girls-with-guns, imdb.superhero, imdb.based-on-film, imdb.anime-animation, imdb.superhero-action, imdb.superhero-fantasy, imdb.superhero-sci-fi, imdb.creature, imdb.okinawa, imdb.blood, imdb.flashback, imdb.mad-scientist, imdb.swordswoman, imdb.government-agent, imdb.stepsister-stepsister-relationship, imdb.swordwielding, imdb.female-swordwielder, imdb.high-school-girl, imdb.bloodlust, imdb.slaughter, imdb.massacre, imdb.vietnam-war, imdb.claw, imdb.drinking-blood, imdb.murder, imdb.swordwielder, imdb.monster, imdb.human-guinea-pig, imdb.military-conspiracy, imdb.military-experiment, imdb.us-military, imdb.human-turns-into-monster, imdb.gore, imdb.adoptive-father-killed, imdb.stepbrother-stepsister-relationship, imdb.female-protagonist, imdb.vampire, imdb.secret-organization, imdb.katana-sword, imdb.swordplay, imdb.supernatural-fantasy, imdb.master-servant-relationship, imdb.plus-sign-in-title, imdb.supernatural-power, tmdb.horror, imdb.for-grown-ups-animation

Production companies: Production I.G, Aniplex, MBS

Network: TBS

Country: Japan
Languages: Japanese