ch.1: The white oni

Ren, a young man, is rescued from a bug-like creature by Rei, a veteran bug hunter. Discovering Ren possesses unique oni blood, Rei invites him to join the Kinshi, a group dedicated to protecting humanity from such threats. Upon arriving at the Kinshi headquarters, Ren's curiosity gets the better of him, leading him to sneak into a restricted area where he overhears a conversation about his importance to the organization. Rei discovers Ren's trespass and informs him of an upcoming ritual that will mark his full initiation into the Kinshi. Despite the gravity of the situation, Ren agrees to undergo the ritual, unaware of the challenges that lie ahead.