A thousand years ago, the Dark B-da attacked B-da City in a bid to rule the whole Blue Solar System, and the heroic B-Daman drove them back with their legendary powers and clever technology. Now the Dark B-da have returned. Shiro Bom, a young B-Daman with a strong sense of justice, patrols the Kingdom with his friends to defend their home. Always watchful for danger and just as ready for fun, the team takes on the Dark B-da in a comedic sci-fi adventure based on the Hudson Soft game.