Overview
Yukami Makoto is a high school boy whose hobby is visiting hot springs. His 100th hot spring visit is at Miyama-kan, an inn run by four poster girls: Tokura, Akino, Tsutsuji and Mitomo. There, Makoto spies Yuri, a goddess of the hot springs, and unexpectedly usurps her powers. Makoto ends up working at the inn.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 32 | 45 | |
 | 26 | 39 | |
 | 24 | 37 | |
 | 26 | 38 | |
 | 24 | 37 | |
 | 25 | 37 |