When martial artist Ikeuchi Mentaro is defeated in a tournament hosted by the Rokushin Kaikan karate school, he gives up karate to seek the strength he could not achieve through it. Soon enough, Rokushin Kaikan calls for another open tournament, and invites Ikeuchi and several other martial artists from different schools to compete. Ikeuchi sees this as the chance to get his revenge, and see how far he's come. (Source: Kenganverse Fandom Wiki)
Since the Edo periods of Japan, gladiator arenas exist in certain areas. In these arenas, wealthy business owners and merchants hire gladiators to fight in unarmed combat where winner takes all. Tokita Ohma, nicknamed "Ashura", joins these arenas and devastates his opponents. His spectacular ability to crush his enemies catches the attention of the big business owners, including the Nogi Group chairman, Nogi Hideki. (Source: Comikey) *Note: Includes 24 extra chapters.*
After retiring from public fighting and getting fired from underground fighting, 27 year old Tenma Nozomi's zest for life is gradually dwindling away. It's hard to be at the bottom with nowhere to go, and that's exactly where she and her two friends are. However, Nozomi hits upon an idea that may just solve all of their problems: they could make their own underground fighting circuit for women, and tap into an underexplored market. As good as that sounds, her insistence on including the unknown quantity Hongou Hina may prove to be more than she bargained for... (Source: Comikey Media)

