You're trying to run away from those 3 teachers that tried to kill you. Then, you saw a door that has a sign written "EXIT" on it and you immediately got inside.

Once you got inside, all you see is pitch black then, you saw a white long messy haired guy at the distance.. They have black tendrils on his back and a very sharp black claw-like Arms/hands..

He smiled creepily and he starts running towards you inhuman speed, ready to mutilate you.