Oni ni Itaru DoroThe Dirt That Leads to the Demon; The Stain That Leads to the Demon; 化作鬼的泥; 鬼に至る泥

People’s negative feelings form stains in their hearts, and before long these stains become demons. Fujimori loves being praised by other people and goes to great lengths to become a model student. When the suspicious transfer student Shinomiya Kuroto appears, Fujimori becomes involved in a battle that no one must know about!