クローズ外伝 鳳仙花 the beginning of HOUSEN
Shounen Champion (Monthly)
Takahashi, Hiroshi, Saitou, Shuuhei
The manga tells the origins of Housen Academy, a rival of the strongest delinquent school Suzuran. The story takes place one year before the school's founding and focuses on Butta Terakado. (Source: Crows x Worst Wiki)
