The new OVA will feature the prequel short story "Snow Globe," which debuted as part of a light novel volume that bundled with a limited-edition version of the original PC game.
| Actor | Role |
|---|---|
 Keiko SuzukiYumemi Hoshino (voice) | Yumemi Hoshino (voice) |
 Rina SatoSatomi Kurahashi (voice) | Satomi Kurahashi (voice) |
 Yasumichi KushidaGoro Mikashima (voice) | Goro Mikashima (voice) |
 Manaka IwamiYuka Morimi (voice) | Yuka Morimi (voice) |
 Hiromi IgarashiAkane Koga (voice) | Akane Koga (voice) |
 Satoshi TakiManager (voice) | Manager (voice) |
 Fairouz AiSusumu Akino (child) (voice) | Susumu Akino (child) (voice) |
 Taku YashiroSusumu Akino (voice) | Susumu Akino (voice) |
 Natsu YoritaYukino (voice) | Yukino (voice) |
 Riho SugiyamaMother (voice) | Mother (voice) |
 Shinya TakahashiBoyfriend (voice) | Boyfriend (voice) |
 Nao TamuraCompanion Robot (voice) | Companion Robot (voice) |
 Tatsuhiro KikuchiPersonnel (voice) | Personnel (voice) |
 Kouhei YanagiPersonnel (voice) | Personnel (voice) |