"When you see the butcher, Kageyama, it means Yurin is coming after you."

Highschool teacher Gore Kageyama now craves blood. Transformed into a blood-sucking being, the teacher now lurks the streets at night with his assailant. However, when he's thrown into a world of human trafficking, he navigates his new life to hunt down this mysterious child "butcher" his assailant won't shut up about. With Kageyama's daughter at risk, he sets his hatred for his assailant aside in order to keep his daughter safe - and his assailant.