- This school also appears in the canon Corpse Party, go here to see.
Seisho Junior High School (成章中学校 Seishō Chūgakkō , lit. "Awarded Junior High School") is a junior high school where you can collect the students' name tags from in Corpse Party: Book of Shadows.
- Itsuya Goto (五藤 乙矢 Gotō Itsuya ) (Principal)
- Arisa Kaida (戒田 有砂 Kaida Arisa )
- Hiroko Kikumura (菊村 寛子 Kikumura Hiroko )
- Honoka Nanjo (南城 萌夏 Nanjō Honoka )
- Norika Miharu (見晴 典花 Miharu Norika )