English: Riddle Story of Devil
Aired: Apr 4, 2014 to Jun 20, 2014
Genres: Action, School, Shoujo Ai
Rating: R – 17+ (violence & profanity)
MAL: Akuma no Riddle (Riddle Story of Devil)
The story is set at Myoujou Academy, a private girls’ boarding school. The 10th year’s Kurogumi class has 12 assassins with their sights on one target, Haru Ichinose. Tokaku Azuma is a recent transfer student who is also targeting Ichinose, but she gradually develops feelings for Ichinose.