A young woman, Futaba Ooki, trades city life for a coastal town, where she documents daily moments through her smartphone camera. As she becomes enamored with the ocean's beauty, she catches the eye of a local diver, Hikari Kohinata, who is drawn to her quiet nature and begins a heartwarming friendship, affectionately nicknaming her "Teko".

Amanchu!
Futaba Ooki, a city-dweller, captures her daily life through phone snapshots, but her move to a coastal town transforms her perspective as she falls under the spell of the vast, breathtaking sea.