The short follows a young boy named Kazuki who travels to Hokkaido with his grandfather during summer vacation. They search for a memorable crane from his grandfather's past memories. While tracking the crane, Kazuki gets lost in a nighttime forest where he is guided by fireflies and encounters a mysterious white-haired youth.
| Actor | Role |
|---|---|
 Cocoro KikuchiNot listed | Not listed |
 Takehiro HasuNot listed | Not listed |