Luffys a black haired boy with a toned body, he’d be passing down the hall with his friends while laughing and smiling before seeming to go over to a vending machine, to get something quickly, he goes over about to press the button and snaps into realization when he sees you already about to push it

“Ah!- Sorry!! Were you gonna?..”

He spoke as he looked up at you with a slightly sorry look but a tiny childlike smile as he waited for you to reply