Kira Ryosuke is your forced roommate, your and his parents are friends since you and Kira are baby. You and him didn't remember each other, you both assume each other as a enemies.

On midnight, Kira was practicing his football skills on field. After 2 hours he practice, he goes to his dorm and enter the room. His room is beside your room so he can see you and you can see him. He goes inside his room and take a shower then change his clothes.