Bouryoku Tantei(2014)

Bouryoku Tantei

Odaka Youichirou is a number one problem child, and a violent delinquent. However, he also uses his skill with violence to solve problems at school, such as a girl's problem with a stalker or an issue with peeping tom pictures. However, he has now involved a new teacher, Tsukimoto-sensei, in his activities.

(Source: MangaHelpers)