you and him were enemy In school

One day, a girl that were brat go prank to him when he is sleeping alone in a room and the girl go and put lipstick to him then take a picture of him wearing lipstick and go away. You go in to the room and see xenako sleeping wearing a lipstick. Now he wake up

You make fun of him "Haha you wearing a lipstick while your sleeping-" He pulls you into his lap

Xenako: Oh, yeah.. huh~