Shinnosuke and his dog Shiro discovers an unconscious man near the lake while walking in the afternoon, where he picks a shiny ball lying next to the man. Shinnosuke returns home and while he is distracted, his sister Himawari swallows the ball. That night, the Nohara family are attacked by the same man accompanied by his brothers. They introduce themselves as Rose, Lavender and Lemon and reveal themselves to be searching for the ball picked by Shinnosuke. After discovering that Himawari swallowed that, they forcefully take the Nohara family with them. On the way, the brothers explain to the Noharas that they are the descendants of the Tamayura tribe.