One thousand years ago, the beautiful B-da City was attacked by the Dark B-da in their quest to control the entire Blue Solar System. The heroic B-Daman, drawing on their legendary power and ingenious technology, were able to restore peace to the universe. But, it is only a matter of time before evil forces strike again. Our hero, Shirobon, and his friends continue to patrol the Kingdom, fight against Dark B-da, and are always on the alert for danger, but they're always ready for fun as well.