In the not-so-distant future… Society has rotted away — dreams and hope are long gone. In this decaying world, an illegal, no-rules underground fighting circuit known as “Yaoyorozu” has risen to dominance. Brutal street fights erupt anywhere and everywhere, driven by nothing but money and human desire. Jin Matsuriya, a delinquent boy who survives by stealing on the streets, is suddenly dragged into this violent underworld. But within him lies an overwhelming talent as a fighter — one that defies all logic. A monstrous powerhouse is unleashed, shattering everything in his path. The curtain rises on a new generation of wild, explosive battle action!