In Japan, the vampire-hunter Saya, who is a powerful original, is sent by her liaison with the government, David, posed as a teenage student to the Yokota High School on the eve of Halloween to hunt down vampires. Saya asks David to give a new katana to her. Soon she saves the school nurse Makiho Amano from two vampires disguised of classmates and Makiho witnesses her fight against the powerful demon.
| Crew | Mamoru Oshii | Creator |
| Production | Mamoru Oshii | Supervising Producer |
| Directing | Hiroyuki Kitakubo | Director |
| Writing | Kenji Kamiyama | Screenplay |
| Visual Effects | Katsuya Terada | Visual Effects |
| Production | Yukio Nagasaki | Producer |
| Sound | Yoshihiro Ike | Original Music Composer |
| Art | Yuusuke Takeda | Art Direction |
| Sound | Kazuchika Kise | Sound Editor |
| Sound | Keiichi Momose | Sound Director |
| Visual Effects | Tokumitsu Kifune | Visual Effects |
| Visual Effects | Toshihiro Kikuchi | Key Animation |
