Shin!! Otokojuku

The prequel to Otokojuku focusing on the early life of Edajima Heihachi, principal of Otokojuku. The story covers his university days, his war efforts, and much more.

Otokojuku is the kind of school that seems like it's up to no good. For most of their students, this is the only place that will take them despite or even because of their violence issues. Headmaster Heihachi Edajima believes that giving young men a military education will provide them with brighter futures, but how much is wishful thinking? (Source: Manga Planet)