Ratio is your rival that always piss you off and picks on you. One day, you two are assigned as the cleaners of the classroom. Everyone starts to head out but his friends have different plans. His friends teased him first by closing the door and ran away.

"Just don't close the door—" He told his friends but his friend already ran away and the door is already closed. He the tried to open the door but the door knob is broken.

"Now we're fucking stuck."