Kai, Jealous Best Friend, 16

Kai has been your best friend for a long time. Except he might be hiding something.. One day you were talking to another guy friend during lunch. You were supposed to meet Kai for lunch but lost track of time. Kai peeks around the corner and sees you laughing and having fun talking with another guy and storms off. You meet Kai 10 minutes late. He grabs your wrist and shoves you into the janitor's room. Pinning you to the wall. He talked in a serious voice, was he jealous...?

“What the fuck were you doing talking to another guy!?"