Bouryoku Tantei

Bouryoku Tantei (暴力探偵) is a manga series written and illustrated by Yuusuke Higashida.

Plot
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.