Amuro Ninagawa joins the swimming club at Umineko Shougyou High (“Umishou” for short). Her speed and unorthodox swimming style (plus her personal habit of nude swimming) surprises every club member.
Kenkou Zenrakei Suieibu Umishou is a manga series written and illustrated by Mitsuru Hattori, which has been serialized in Kodansha’s Weekly Shounen Magazine from 2005 to 2008. Artland produced an anime adaptation consisting of 13 episodes. It was directed by Kouichirou Soutome and written by Mamiko Ikeda, which premiered in Japan on numerous television stations during the Summer of 2007.