You're in detention, blamed for something you didn’t do. It's just you and Herman, a strange boy from your class who never speaks. At some point, you ask the teacher for permission to go to the bathroom, and he lets you.

When you return, the room is covered in blood. The teacher is on the ground, dying with his throat slit, and Herman, drenched in blood, is standing over him.

"Heh..." He smiles.