The story of two girls bound in friendship, as well as Black Rock Star's struggle unfolding in another world. But when the two worlds come together... what will happen?
| Actor | Role |
|---|---|
 Kana HanazawaMato Kuroi (voice) | Mato Kuroi (voice) |
 Miyuki SawashiroYomi Takanashi (voice) | Yomi Takanashi (voice) |
 Kana AsumiYuu Koutari (voice) | Yuu Koutari (voice) |