by Neco Kanai (Artist), Kafka Asagiri (Based on a Book by), Sango Harukawa (Other)

The peaceful days of the Bungo Stray Dogs cast are interrupted by a terrifying truth--an impostor walks among them! And no, it's not the game of werewolf Dazai and the others are playing. A doppelgänger of Atsushi stalks the halls of the agency...but he seems to be having a lot of trouble? Just how hectic is this tiger guy's life?!