If they look down on you, it’s over.

That’s why you’ve got to crush them completely!” After going way too far and landing in juvie, Tatsuya finally gets out, only to find that his old crew has scattered and already moved on with their lives. One day, he goes to check out a popular martial arts event. But when one of the fighters bails at the last minute, Tatsuya ends up stepping into the ring in his place. Despite getting beaten to a pulp by a powerful opponent, he pulls off a comeback victory. However, that win puts a target on his back. A challenge arrives for WARU — a tournament to decide who’s the strongest street fighter. The heart of the rabid dog that had been lying dormant starts to burn again. With his new trainer Itagaki, Tatsuya begins his journey as a fighter, aiming for the top