Otokogumi

Backed by a fixer who controls the political and economic circles, a high school student, Jinryu Goji, governs his school – Seiun Gakuen. In response, the school authority asks Nagare Zenjiro, a champion of Chinese martial arts who killed his father and was sentenced to a juvenile detention center, to fight Jinryu Goji. The story revolves around combats between the two. The dual develops into extensive conflicts involving high school students nationwide, and eventually leading figures in political and economic circles. The artist represented detailed movements of kung-fu, which was extremely popular at that time. The series was epochal in that is established a new genre of manga highlighted by conflicts on campus.

(Source: tsoj.manga.org)