Mystery Writers of Japan
In 2008, "Joker Game" ranked second on "Kono Mystery ga Sugoi!" and third on "Shūkan Bunshun" Mystery Best 10. In 2009, "Joker Game" won the Yoshikawa Eiji Prize for New Writers and the Mystery Writers of Japan Award for Best Novel. The anime won the special Nogizaka46 Award given by the "Newtype" magazine.