第 1 集: 在貓群中長大的Yamato，獲得了傳說中的Cobalt Blade B-Daman。

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Yamato, who was raised by cats until he was five, has dreamed of owning a B-Daman and playing the sport. When his dream comes true and is given the legendary B-Daman, Cobalt Blade, will Yamato have what it takes to control it from those who wish to steal it from him? (Source: Wikipedia)