Free! H2GO - Free! Fanfiction

Nao and Natsuya have been in the same high school since they left middle school, and now Ikuya has joined them. Both of their families have moved away from Iwatobi to another place in Japan. During the duration of Nao's second year of high school he was sick very often and missed a lot of school, there for he has to redo it and of course Natsuya won't let him redo it alone so he joins him. Ikuya is a first year, and Natsuya and Ikuya are both second years. That's all fine and peachy, until Asahi also moves from Iwatobi to Yamanashi Prefecture. Of course since their school has no swimming club Asahi wants to make one along with them. They all must face their own problems however. The Kirishima's have to deal with their sick mother and Ikuya's growing anxiety, Asahi has to deal with his fighting parents, and Nao... oh Nao. Nao must deal with his horrible health and abusive parents.