第 29 集: Hideaki 抵達 Rikyu sky，並與新朋友協力阻止水壩氾濫

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A young boy named Hideaki suddenly appears over the skies of Rikyu, claiming his machine malfunctioned. Kohei appears to see what the fuss all is about, and is defeated by Hideaki single handed. Reiji and the others try to get him to join them, but Ichiro doesn't trust him, and neither does Chibi. He quickly becomes attached to Meguru, and when Ichiro tells her he shouldn't be trusted, he runs away. They find him holding up a dam to protect a city and they all work together to stop the water. It appears they now trust Hideaki and Meguru tells him their plan. Hideaki then leaves with Meguru and heads towards Kohei and Mahiru. (Source: Dragon Drive Wiki)