Young Furuhata, a 3rd-year junior high student from Tokyo, transferred to a school in the countryside due to family circumstances. He doesn't fit in at first, but he eventually gains a reputation as a detective and opens his own detective agency. One day, he hears about the town's legend of buried treasure, and he immediately begins unraveling the mystery.
| Writing | Koki Mitani | Screenplay |
| Sound | Yūsuke Honma | Original Music Composer |
| Editing | Masaaki Yamamoto | Editor |
| Directing | Keita Kono | Director |
| Production | Reiko Nagai | Producer |
| Production | Shizuo Sekiguchi | Producer |
