Anatomy

https://www.mangaupdates.com/series/47eoika/kyoufu-gakuenPart of the Horror Roman Comic (怪奇ロマンコミック) Series

Volumes in seires:
1: 31 Maime no Kuuhaku
2: Akuma ni Miserarete
3: Mona Lisa no Heya
4: Chaos no Fuuin
5: Kurokami Kaidan
6: Chikashitsu no Mushi Jigoku
7: Juugoya Kidan
8: Hitsugi no Naka no Ie
9: Gakuen Splatter Horror Kaibou
10: Kufu Gakuen

11: Haja Tenkuu no Ken
12: Shinryou Kaiki Gekijou
13: Shiryou Gaki no Yakata
14: Suna Honoh Gensou
15: Mashou no Busshitsu
16: Yami no Naka no Akumu