Holyland

High school student, Kamishiro Yu doesn't fit in and is constantly bullied; fed up with the abuse Yu secretly trains in boxing and takes revenge on those who once bullied him. Eventually Yu's exploits escalate bringing the attention of the local leading baddies and the one guardian angel street fighter. Yu soon finds himself forced to keep fighting in order to keep his place, his holy land. (unknown, source MydramaList. And me)