Natsuya works at a delivery health service run by a mysterious middle-aged man named Yata together with Harumi, who dreams of opening a store with her boyfriend Takashi, and Akino, a divorced woman who struggled to get into this business. One day, on her way home from work, Natsuya is shocked to find herself floating in the river.
| Actor | Role |
|---|---|
| NNoriko MasakiNatsuya | Natsuya |
| HHōjō KotoHarumi | Harumi |
 Kyoko HashimotoAkino | Akino |
 Kikujiro HondaHattori | Hattori |
| GGinjiKizaki | Kizaki |
| KKyôsuke SasakiShibata | Shibata |
| NNaohiro HirakawaMori | Mori |
| MMikihiro HyôdoTakashi | Takashi |
 Kazu ItsukiInoue | Inoue |
| SSaburō IsurugiYata-san | Yata-san |
| SShiori KawamuraEditor | Editor |
 Kaede MatsushimaFuyuko | Fuyuko |