Plot Summary: Stranded in the space between human and demon, Miyu was born a vampire and charged with the responsibility of returning evil demons called Shinma to the dark. Being eternally 13, she yearns to return to the dark herself but not until she has banished the Shinma from Earth. And since her awakening, she remains cut off by the facts of who and what she is. Spiritualist Himiko Se finds herself involved with the supernatural when she comes face to face with a young vampire girl known only as Miyu whose purpose is to banish a race of demons known only as Shinma to the dark.