Kenko Zenrakei Suieibu Umisho Characters

Amuro Ninagawa is a young, upbeat girl with an incredibly unique swimming style like a fish. She joined the Umisho Swim Team.

Momoko Orizuka is the leader of the Umisho Swim Team. She started the swim team for the school with her friends.

Okiura Kaname is the manager of the Umisho school swim team. After an incident as a child, he has a fear of swimming.

Sanae Kise is one of the earliest members of the Umisho Swim Team. She formed it with her best friend Momoko Orizuka.