文豪ストレイドッグス外伝　綾辻行人VS.京極夏彦

Spinoff novel of Bungo Stray Dogs written by Kafka Asagiri with illustrations by Sango Harukawa. It tells the story of the "homicide detective" Ayatsuji Yukito and his assistant Mizuki Tsujimura as they try and solve a mysterious murder case at the request of the government. Their search eventually leads them to Yukito's old nemesis and public enemy Kyougoku Natsuhiko.