Saya and Hagi arrived at the ruins of "The Zoo," were Saya's forgotten past is sleeping. The place is covered with overgrown grass and only a portion of the exterior walls is still standing. Soon, Saya's memories awake: her first encounter with Hagi, the incident on the Zoo owner's birthday, and the image of the whole building on fire...
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