Kenka-gumi: Bloody Crest

Original title: 血染めの代紋 喧嘩組

After being released from prison, Ichigo Muromachi, the greatest fighter known by the yakuza, the raiser of their empire, decides to start his own gang. However, with a vengeful man searching from him, a mysterious group causing mayhem, and betrayal around the corner, it will be far from as easy as he though it would be.