4 books in series
Akuma no Riddle
Akuma no Riddle is a 4-book series with 4 released primary works first released in 2012 with contributions by Yun Kouga and Sunao Minakata.
| #1 |  Akuma no Riddle, Volume 1
| 4 | 1 read | ||
| #2 |  Akuma no Riddle: Riddle Story of Devil, Vol. 2
| 4 | 1 read | ||
| #3 |  Akuma no Riddle: Riddle Story of Devil, Vol. 3
| 4 | 1 read | ||
| #4 |  Akuma no Riddle: Riddle Story of Devil, Vol. 4
| 4 | 1 read | ||
| #5 |  Akuma no Riddle: Riddle Story of Devil, Vol. 5
| 3 | 1 read |