Classroom Sekai is Leo/need's sekai. Ichika, Saki, Honami, Shiho, Miku, Rin, Luka, MEIKO, and KAITO have conversations here. Additionally, area items that increase the power of Leo/need cards can be found here.
Area items
| Icon | Name | For |
|---|---|---|
 |
ミクのCD | Hoshino Ichika |
 |
フェニーのぬいぐるみ | Tenma Saki |
 |
星空図鑑 | Mochizuki Honami |
 |
志歩のベース | Hinomori Shiho |
 |
ミクのギター | Hatsune Miku |
 |
ルカのベース | Megurine Luka |
 |
天体望遠鏡 | Leo/need |
 |
4人の写真 | Leo/need |
 |
ミュージックスピーカー | VIRTUAL SINGER |