Hinomaru!

Ushio Hinomaru is a young sumo wrestler with a dream: to become the strongest in Japan and reach the pinnacle of the sport, the rank of Yokozuna. Despite his small stature, he possesses incredible strength and determination. He transfers to a high school in Tokyo with a strong sumo club, hoping to prove himself on a national stage.

However, the school's sumo club is on the verge of disbandment due to lack of members and interest. Ushio must rally his new teammates and overcome their initial reluctance, while facing powerful opponents who doubt his abilities because of his size. Together, they strive to rebuild the club and compete in the national tournament, where Ushio's spirit and skill will be put to the ultimate test.