Overview
Koike Minami returns from USA to Japan to accomplish her deceased twin sister's wish to win a competition and sing with Avril Lavigne on the stage in a concert in Tokyo.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 23 | 39 | |
 | 23 | 40 | |
 | 54 | 70 | |
 | - | - | |
 | - | - | |
| - | - | |
 | 22 | 39 | |
| 21 | 38 | |
| - | - | |
 | 23 | 39 |