The Tokyo Dome's underground fighting arena, Kourakuen, lures warriors from various martial arts backgrounds, each hoping to demonstrate their skills in the absence of weapons and rewards. Fueled solely by the desire for honor and reputation, the arena's two key principles push fighters to risk everything for a chance to secure their place in the history books.
Baki Hanma, a teenage grappler, has developed a unique fighting style through years of grueling training and hardship. His father, an infamous monster known as the "Ogre," is a worldwide criminal with a notorious reputation for violence. As the only son of this terrifying figure, Baki's painful memories and intense hatred towards his father fuel his quest to become the ultimate warrior.
To achieve revenge against his father, Baki must face off against the most powerful fighters in the world. But can he become powerful enough to finally surpass Yuujirou, despite experiencing both victories and defeats along the way?