
Overview:
Kaname Okiura, a student of Prefectoral 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, let alone who can teach him swimming. 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 (plus her personal habit of nude swimming—a powerful magnet to teenage boys) surprised every club member, especially Okiura, because she reminds him of a mermaid-like creature he saw only once in his early childhood.
(Source: ANN)
Characters and Voice Actors

Ninagawa, Amuro
MainToyosaki, Aki
Japanese

Okiura, Kaname
MainToyonaga, Toshiyuki
Japanese

Orizuka, Momoko
MainNabatame, Hitomi
Japanese

Doctor Ganaha
SupportingYamaguchi, Kiyohiro
Japanese

Ikariya, Masa
SupportingYasumura, Makoto
Japanese

Ikuta, Maki
SupportingShimizu, Ai
Japanese

Kise, Sanae
SupportingShintani, Ryouko
Japanese

Nanako, Maaya
SupportingYahagi, Sayuri
Japanese

Nanjou, Karena
SupportingTakagaki, Ayahi
Japanese

Naruko, Tomoko
SupportingItou, Mika
Japanese

Ninagawa, Masashi
SupportingFujiwara, Keiji
Japanese

Shindou, Nagi
SupportingKobayashi, Yuu
Japanese

Shindou, Mayo
SupportingKobayashi, Yuu
Japanese

Shindou, Ai
SupportingKobayashi, Yuu
Japanese

Shindou, Mimi
SupportingKobayashi, Yuu
Japanese

Shizuoka, Mirei
SupportingFukui, Yukari
Japanese

Takeda, Seito
SupportingKoorogi, Satomi
Japanese

Yasu, Chigusa
SupportingIguchi, Yuka
Japanese
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