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 demons.—Claudio Carvalho, Rio de Janeiro, Brazil
Saya is a Japanese vampire slayer whose next mission is in a high school on a US military base in 1960s Japan, where she poses as a student. She uses a katana/samurai sword to kill vampires.