On the cover of the recent July issue of NewType magazine, it was announced that manga "Akuma no Riddle" (Riddle Story of Devil) will be animated in 2014. The manga is written by Kouga Yun, drawn by Minnakata Sunao, and has been serialized in NewType since September 2012. The first volume will be published on July 10th.

In December 2012, the manga was adapted into a social game for mobile phones named "Akuma no Riddle AK"

The summary of the story is as follows:

The story is set at Myoujou Academy, a private boarding school for girls. All the students in the 10th year's Kurogumi class are assassins pursuing one target, Ichinose Haruka. Azuma Tokaku also goes after her and is recently transferred into the school. However, she gradually gets attracted by the warmth of Haruka.

Source: NewType July issue cover

Story by GoldenBRS, Stark700

Akuma no Riddle on MAL