Hello! I need help in finding manga. It was about boy who looked weak but had strong perso...

Hello! I need help in finding manga. It was about boy who looked weak but had strong personality and started living in dormitory. His roommate (seme) had really bad personality and at first did not get along. I remember that at one point uke had broken leg. I think they also fought a lot. I think it was quite long and it was more shonen ai. Thanks a lot if anyone knows what it is