Koyo Girls' Academy Middle School (光洋女学園中等部 Kōyō Jogakuen Chūtōbu , lit. "Light Ocean Girls' Academy Middle School") is a junior high school from which you can collect the students' name tags in Corpse Party: Book of Shadows.
- Haruna Harukaze (春風 遥菜 Harukaze Haruna )
- Nozomi Makita (蒔田 望美 Maita Nozomi )
- Rena Misato (箕郷 玲奈 Misato Rena )