Looking for a manga

So i am looking for a bl manga i read a few years ago, the uke was a trouble maker in school with white hair and the seme was class president who looked like a bear and had black hair, and he always tried to stop the uke from doing anything wrong and made sure that he studied or did his homework, and one time the uke wanted to scare him of I think and kissed the seme but the seme fell inlove with him i am not sure please help