High school student Mikiko travels back in time to the future using a time machine built by Monjiro, the physics club advisor. What awaited her there was the reality that her best friends, Yoko and Tatsuro, were already married and were on the verge of breaking up. Mikiko returns to the modern world with the help of future Monjiro to mend their relationship.
| Actor | Role |
|---|---|
 Ryoka YuzukiYûko Itô(as Ayumi Nagashii) | Yûko Itô(as Ayumi Nagashii) |
 Kyusaku ShimadaNot listed | Not listed |
 Ken OsawaNot listed | Not listed |
| HHisako YamadaNot listed | Not listed |
 Keiko SaitōNot listed | Not listed |
| YYoshifumi EgawaNot listed | Not listed |