Kunimitsu, an orphan who lost his parents in a tidal wave, is a promising sumo wrestler. Even though he did very well in the junior championships, none of the sumo scouts were interested in signing him because of his body, which is unsuitable for sumo wrestling, and also because of his weird sumo style. But luck comes his way when a small sumo school owner shows an interest in him and decides to take Kunimitsu into his school. There Kunimitsu begins his training to become a yokozuna...