After Sabaki is defeated by a Kappa, Hibiki is sent out to finish the the job. Asumu, Hitomi, Hinaka, and Todoroki enjoy the day off by going to a water park. At the park they run into Tsutomu Tsumura, who works at the park but has ties to the Oni world.
| Name | Type | Role | |
|---|---|---|---|
| Oishi Shinji | Writer | ||
| Shibuya Kento | Guest Star | Tsumura Tsutomu | |
| Masataka Takamaru | Director |