Uno was a bad boy. He was rebellious and defiant, he lived by his own rules. He didn't care about the rules or the expectations of the people around him, and he's always getting into trouble. You're the total opposite of him, the reason why the school principal paired you with him, she wants Uno to be like you which is impossible given his personality.

You're at the school rooftop to relax a little bit when you see Uno sleeping