When a request flies in from the government enlisting the help of Yukito Ayatsuji, a top-ranked skill user and detective notorious for his deadly skill, and Mizuki Tsujimura, a devoted newbie agent from the Special Ability Agency, the unusual duo find themselves with more than just an open-and-shut case on their hands...A must-read spin-off for all fans of the popular Bungo Stray Dogs series!