At the experiment farm of Les Cinq Fleches Pharmaceutical, Saya is surrounded by child Chiroptera. But confronted with a mysterious humming coming from nowhere, the howling of the Chiroptera and a choking smell of blood, the girl goes berserk, and swings the sword at anything that comes into her view without even distinguishing between friend and enemy...
Genres: Action & Adventure , Animation , Sci-Fi & Fantasy
Keywords: amnesia , angst , anime , anti-war , betrayal , catholic-school , conspiracy , dark-fantasy , disaster , epidemic , gore , gunfight , horror , military , monster , reverse-harem , rivalry , secret-organization , shounen , supernatural , swordplay , vampire , watch-anime-series-online , tv-shows-online