In Heartland City, Yuma Tsukumo aspires to be the world's best duelist. Despite this, he is not a good duelist, since he usually loses to others. When he ends up Dueling Shark, a bully known to have ...

In Heartland, Yuma Tsukumo aspires to be the world's best Duelist. Despite this, he is not a good Duelist. When he ends up Dueling, Shark, a student known to have pro-level skills, odd things begin to ...