Part of the Comic Roman Mystery series.

Volumes in series:
1: Kokui no Ever
2: Mizu no Naka no Akai Ie
3:
4: Hana no You na Lilibet
5: Kokui no Hanayome
6: Rita! Dare o Matsu
7: Yoru no Triangle
8: Akuryou ga Naku Toki
9: Dark Zone
10: Noroi no Suzu no Oto
11: Shisha e no Konyaku Yubiwa
12: Satsujin no Dessin
13: Kamen no Shouzou
14: Kurotenshi Shinsera
15: Shiroi Kamen
16: Kage o Koroshita Onna
17: Akai G Sen
18: Kyōfu no Ōdokei
19: Chinurareta Kuromisa
20: Shiryou Paulet no Koi
21: Eriza wa Ake to Moeta
22: Kanashibari ga Kuru!
23: Bara no Satsui
24: Yuurei Bunjou Juutaku
25: Kuroi Kodama
26: Youjo no Yuuwaku (SHIKANO Keiko)
27: Ningyou no Yobu Koe
28: Moebius no Yakata
29: Magnolia no Tenshi
30: Yaminohate Kara
31: Yomi kara no Koe
32:
33: Hakuchuumu (NARUMO Atsuko)
34: Futagoza Umare
35: Makyou no Yggdrasil
36: Mizuki no Mori
37: Chi no Shouzou
38: Chimamire no Takeningyou
39: Norowareta Keizu
40:
41: Majo Iruma
42: Kyōto Kara Kita Rei Shōjo
43: Kuro no Dendou
44: Anubis no Maryou
45: Kieta Hanayome