Cover for Akuma no Riddle: Riddle Story of Devil volume 1.0
Cover for Akuma no Riddle: Riddle Story of Devil volume 2.0
Cover for Akuma no Riddle: Riddle Story of Devil volume 3.0
Cover for Akuma no Riddle: Riddle Story of Devil volume 4.0
Cover for Akuma no Riddle: Riddle Story of Devil volume 5.0