Generation2

Rin and Haru's child, Itchirohiko, goes to Iwatobi high. She, of course, is a swimmer like both of her parents.
Rei and Nagisa's child, Haruto, is homeschooled. She has no idea how to swim for her parents never taught her.
Makoto and Souske's child, Yuki, also goes to Iwatobi high. she knows how to swim but instead does track. Her parents are a bit disappointed in her decision but want her to follow her dreams.
All three of them have no idea that their parents ever knew each other. What happens if they all meet? If Haruto finally convinced her parents to let her go to Iwatobi? If they all try to go on the swim team. What if, they find out all their parents knew each other? this will be quite strange, won't it?