Alternative Title: Riddle Story of Devil, 悪魔のリドル
Release Date: 2014
Category: Anime Series
Summary: 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.