Teropterids are evil beasts which pose as humans and live only to drink human blood. Fortunately for the human world there are groups dedicated to destroying them. A brooding and mysterious girl named Saya is the best teropterid slayer there is, and now, in 1960's Japan, she is sent to a U. S. army base which may be infested.
Status: Finished Airing
Aired: Nov 18, 2000
Producers: Production I.G, Aniplex
Duration: 48 min. per episode
Rating: R - 17+ (violence & profanity)