Yuya Sakaki is an eighth grader who aims to become an "Entertainment Duelist". At You Show Duel School, he practices Dueling every day alongside his childhood friend, Zuzu. One day, he receives a written invitation for an exhibition match from the Pro Duelist, "The Sledgehammer". In the middle of a giant cheer, Yuya and The Sledgehammer begin their Duel! Although Yuya excitedly fends off The Sledgehammer's attacks in their Action Duel, he's eventually pushed into a corner. At that moment, a dazzling light shines from Yuya's pendant! (thetvdb.com)