Bücher der Reihe Akuma no Riddle: Riddle Story of Devil

The Class Black is comprised of thirteen students, twelve of whom are assassins. Their prey, Haru Ichinose, an upbeat girl who vows to survive school. Enter Tokaku Azuma, a killer who transfers from another school to kill Haru. What should have been a routine hit turns into a more complicated affair as Tokaku is unable to pull the trigger on Haru.