The short film is named Sorette Dakara ne! after the 38-member idol group AGC38's official song. It is set in the classes of the Musashi Asahigaoka Girls' Academy that the girls attend.
| Actor | Role |
|---|---|
| YYuki KoikeArisawa Misuzu | Arisawa Misuzu |
 Emi HirayamaShinoyama Koharu | Shinoyama Koharu |
 Hisako TojoSakurakouji Aoi | Sakurakouji Aoi |
 Choucho KiritaniSaiga Kurumi | Saiga Kurumi |
 Sanae FukuKagayama Shiori | Kagayama Shiori |