Overview
Yukina Minato gathers members intertwined with different thoughts to form a band and participate at the Future World Fes. This is the story of their "promise" from their formation to the challenge of the music festival.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 32 | 36 | |
 | 32 | 36 | |
 | 23 | 27 | |
 | 32 | 36 | |
 | - | - | |
 | 29 | 33 | |
 | 25 | 29 | |
 | 26 | 30 | |
 | 26 | 30 | |
 | 24 | 29 |