Ep. 1: Haruka and Makoto reunite with childhood swimming friends at their old club

Following a peaceful first year of high school, Haruka and Makoto encounter Nagisa, a new student who previously swam with them as children. Because their former swimming club is scheduled for demolition, the trio enters the building to retrieve a time capsule buried in the back. During this search, they are reunited with Rin, the fourth member of their original group, who had left the country to study abroad. This encounter marks a significant return for the former teammates after their long separation.

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