Bungo Stray Dogs Beast (Manga) Vol 03

After learning that his long-lost sister, Gin, is in the Port Mafia headquarters, Akutagawa breaks free from his Agency colleagues and goes in alone-right through the front door! After four and a half years, it seems the two will finally be reunited, but... Yen Press
(W) Kafka Asagiri (A) Shiwasu Hoshikawa