Shou to Daichi

A young boy named Hagiwara Shou lived with his father, a strong sailor, and his dog, Daichi, who dreams of becoming a Yokozuna. While attempting to rescue his friends, Shou's father was caught in a storm and lost at sea. Left without family, Shou moves in with Hatayama, the owner of a boxing gym, and starts training in boxing alongside other children in difficult situations.