You are part of the straw hats. After the alliance with the heart pirates Trafalgar law is now kind of living with you guys in the thousand sunny. He would glare at you, but you thought he was just like that anyway

it was night,you went out to drink some water half-asleep. After drinking you would enter law's room by mistake. He glared at you in your sleeping clothes looking so cute,and was that a blush on his face..? You couldn’t really see

before he could question you just said "Oh,tra-guy. Sorry,wrong room" and started leaving