高校生の朝都は幼馴染の雪羽に秘めた恋心を抱きつつも、平凡な日々を送っていた。しかし、運命は一変する。人の血肉を糧に生きる生物“屍徒”と邂逅したことで――。 Asato, a high school student, has a secret love for his childhood friend Yukiha. Living an ordinary life, his fate takes an unexpected turn. He encounters a creature, called a “shito,” that survives on human flesh and blood…