Teacher Yuko, There is something wrong with this class. I don't know it yet. After your death Killing became a common thing And I'm going to find that out. You may think that… We're just a bunch of annoying kids In this class, there are 3 murderers Who might it be? Is it the bullies? Or is it the one who's getting bullied? Or is it the one of the girls? I don't belong here but it turns out that they are all monsters An unexpected love And the most painful truth