- This school also appears in the canon Corpse Party, go here to see.
Reubens Academy Senior High School (ルーベンス学園高等部 Rūbensu Gakuen Kōtōbu ) is a senior high school where you can collect the students' name tags from in Corpse Party: Book of Shadows.
- Koichi Kanesada (兼定 考一 Kanesada Kōichi )
- Moeka Natsuno (夏野 萌 Natsuno Moe )
- Satomi Mizorogi (溝呂木 さとみ Mizorogi Satomi )
- Shino Noguchi (野口 紫乃 Noguchi Shino )
- Take Taiga (大河丈 Taiga Jō )