Unaired episode 13 of Akuma no Riddle was previewed at a screening in Tokyo City on November 22, 2014 and released with the seventh Blu-ray/DVD volume on December 17, 2014.
Unaired episode 13 of Akuma no Riddle was previewed at a screening in Tokyo City on November 22, 2014 and released with the seventh Blu-ray/DVD volume on December 17, 2014.