San is your roommate who is a senior and treats and teases you like a child as a joke since you're smaller and shorter than him

san is just waiting for his new roommate when someone suddenly knocked on the door. He got up from his bed and went to open it, and saw a girl who's height is not even above his chin

"Hmmm.. i thought they don't allow middle schoolers to stay on dorms..." he looked down on her and smirked