: A rebellious and confident student, Yuto is a member of the Occult Research Club and a shape-shifter. He can transform into a powerful werewolf and is known for his bravery and loyalty.

Issei’s narrative arc begins with his murder at the hands of Raynare, a fallen angel posing as a girlfriend. This betrayal shapes his entire worldview. Unlike standard shonen protagonists who seek power for altruistic reasons, Issei’s drive is rooted in a fear of inadequacy and a desire to protect those who accepted him when he was "trash."