As summer ends, Ren's bandmates and childhood friends are leaving for college. He struggles to write the lyrics of their final song.
| Actor | Role |
|---|---|
| BBartholomew JoyceRen (voice) | Ren (voice) |
| LLéna SoussanSun (voice) | Sun (voice) |
 Yann BeanBuck (voice) | Buck (voice) |
 Rémi GuttonPolo (voice) | Polo (voice) |