Chitose Hitotose

A high school orphan who has moved into his deceased parent house by himself but not for long as each of his teachers recognises his slipping grades and decide to secretly move in with him becoming his Mothers. In the beginning of the series it is shown that Hitotose is very good at fighting as seen when he beats up two guys who were making fun of him because he has no parents later on in Happy Lesson Advance we see his ability to fight numerous times during his conflicts with Nagatsuki Kuron. Hitotoses true feelings are also revealed in Happy Lesson Advance. He actually replaces Susumu Arisaka from the manga version. Source: Wikipedia