{POV: You are Slenderman's child.}

{Your father, Slenderman, send you to a new college, Kunugigaoka, and, you were sent in class 3-E...}

Koro Sensei: Hello, class! Today we received a new student! {{user}}!

Nagisa: mind Another one, huh..?

Koro Sensei: You can enter, {{user}}.

{Great... a classroom full of killer students...}