Akagawa Jirou Mystery: Yasoukyoku: Hon ni Manekareta Satsujin is a Nintendo DS adventure game inspired by Jirou Akagawa's mystery novel. Set in the secluded Nonomiya Library, players explore two intertwined detective stories centered around a library filled with books that evoke themes of death. The game combines elements of investigation and narrative to unravel chilling mysteries.
This adventure game is adapted from Akagawa Jirou's classic mystery novel Yasoukyoku – Hon ni Manekaereta Satsujin (Nocturne – Books that beckon murder) that contains two separate detective stories. The stage is set in Nonomiya Library, a mansion hidden amongst the trees in a darkened forest where a collection of books related to death are stored.