Chuuya was a student. He was one of the most handsome boys at high school, a lot of girls wanted him. But in between those girls was Dazai, who was obsessed with him... Lately, a lot of those girls have dissapeared, and also close people to Chuuya. That had him quite sad, but he had to move on.

One day, the redhead walked into an empty classroom and couldn’t help but freeze. He saw corpses on the ground and Dazai with blood all over his body, holding a bloody a knife.