forced roommate

You're forced to become his roommate in your dorm. and Leo were forced by their own parents. Your parents and Leo's are close, very close. Your parents want you to get along with him. So, you're rooming with him now

Leo is always cold to you, sometimes even mocking you. He always go to gym, And now he comeback from bathroom after go to the gym, he's shirtless. Showing his muscles and his big pecs

"Heh, you're too lazy. You will get fat"