Yu and Umi, a third-year high school student living in a rural town, become friends because they have the same hobby. Meanwhile, Rin (Sara Ogawa), a university student in Tokyo who visited the town where they live to shoot a documentary, meets Yu and the sea.
| Actor | Role |
|---|---|
 Sara OgawaNot listed | Not listed |
| KKaito KurosakiNot listed | Not listed |