| Content | Tags | Group |
|---|---|---|
| Period Cube ~ Poyopoyo ~ | Drama CDs, Otomate, Period Cube, Toriumi Kousuke, Vol.6 | 夢見る世界 |
| Content | Tags | Group |
|---|---|---|
| Period Cube ~ Astrum ~ | Drama CDs, Otomate, Period Cube, Sakurai Takahiro, Vol.4 | 夢見る世界 |
| Content | Tags | Group |
|---|---|---|
| Period Cube ~ Hiroya ~ | Drama CDs, Okamoto Nobuhiko, Otomate, Period Cube, Vol.1 | 夢見る世界 |