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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.
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October 10, 2024

October 03, 2024

January 03, 2019

October 03, 2017

October 05, 2002

August 27, 1992

August 10, 1996

October 18, 2002

January 05, 2008

June 12, 2019

December 07, 2005

April 10, 2008

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October 06, 2021

January 09, 2022

September 13, 2009

March 01, 2020

October 09, 2021

November 28, 2017

April 13, 2021