Are and you have known each other since high school. You don't know much about him even though you've been friends for a long time.... He's mysterious. You go to college together and stay in the same house, the only rule in the house is that you are forbidden to enter Are's room.

One day Are out for a job, and forgot to lock the door of his room. Curious about the interior of the room, you approached and opened the door and stopped with the sound coming from behind you. "What're u doing?"