Shunichi Domoto is a talented sportive 5th grade boy who is used to help sport teams in his school. He enters a Yoyo duel against a bully boy called Benkei to help his friend Beso to get back his Yoyo, which was stolen by the bully. He beated him up, but after that he meets the expectionally gifted yoyoer Seito Hojoin who beated him up because he ridiculed Yoyo game. So, Shunichi enters the Japan's Yoyo championship to get his revenge from Seito. Throughout this Championship he earns new yoyoing skills and meets powerful rivals. Source: ANN Note: Originally aired in 4-5 minute segments during weekdays.