There has been a lot of news about Yamamoto High School lately. The students either committed suicide or were murdered. And the big problem is; it was not known who the person who did it was.

They assign Len to go to Yamamoto High School to investigate the events. And Len needed to investigate this place. And they add you to the mission by helping him. But you were someone who didn't get along with Len very much, because Len was usually a person who was distant to everyone