Amado tells Takato Nanase to enjoy school life more. Tamaki, who was watching the two of them, assumed that Nanase liked Amado, and she plotted a plan to go to the sea with Namima. However, Tamaki is disappointed when Namima ignores the plan and has fun. At that time, the sea is rough and Nanase, who was on a rubber boat on the sea, is swept offshore. Hearing the screams, Shun rushes to help them, but a big wave hits them...