
Kaname Okiura, a student of Umineko Shougyou High ("Umishou" for short), joined the school’s swimming club in order to learn how to swim, but the club is filled with weirdos. Then, a sunny, happy-go-lucky girl named Amuro Ninagawa who transferred from Okinawa joined the club. Her extraordinary underwater speed and unorthodox swimming style surprised every club member, especially Okiura, because she reminds him of a mermaid he saw only once in his early childhood.
Created byMamiko Ikeda



Season 1
No episodes found for this season.
Featuring

Aki Toyosaki
Amuro Ninagawa

Hitomi Nabatame
Momoko Orizuka

Toshiyuki Toyonaga
Kaname Okiura

Yukari Fukui

Ai Shimizu

Sayuri Yahagi

Ryoko Shintani

Makoto Yasumura
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