Yamato Delgado is a young boy burning with a powerful B-DaSpirit. He lives a peaceful life with his foster mother Mie in a quite little town. However, a meeting with the mysterious man called Gray, who is searching for the Legend Stones, throws him into the first of many B-DaBattles to come! Will this boy survive this adventure filled with excitement, challenges and danger? His journey begins right here, right now!