#2
2019 • 1,901 Readers • 273 pages • 4.2
#3
#4
#1 of 6 in 宝石商リチャード氏の謎鑑定
2015 • 6 Readers • 263 pages • 3.8
#5
#2 of 6 in 宝石商リチャード氏の謎鑑定
2016 • 4 Readers • 4
#6
#3 of 6 in 宝石商リチャード氏の謎鑑定
2016 • 4 Readers • 240 pages • 4
#9
#4 of 6 in 宝石商リチャード氏の謎鑑定
2017 • 3 Readers • 5
#10
#1 of 3 in Associate Professor Akira Takatsuki's Conjecture
2023 • 1 Reader • 207 pages • 5
#11
#2 of 2 in 准教授・高槻彰良の推察
2019 • 2 Readers • 5
#12
#6 of 1 in The Case Files of Jeweler Richard (Light Novel)
2023 • 3 Readers • 5