In 1970s Onomichi, Akira invites his crush Yoshioka to spend summer break at his home. But when Yoshioka falls for Meeko, tension brews beneath the heat.

With dreams of diving abroad, Tsuneo gets a job assisting Josee, an artist whose imagination takes her far beyond her wheelchair. But when the tide turns against them, they push each other to places they never thought possible, and inspire a love fit for a storybook.