Bungo Stray Dogs Beast (Manga) Vol 04 (Of 4)

Akutagawa and Atsushi devote everything they've got to an explosive final confrontation. After a desperate battle for the things most important to them, they both learn the real "truth" of this world... The thrilling spin-off of Bungo Stray Dogs comes to a grand conclusion! Yen Press
(W) Kafka Asagiri (A) Sango Harukawa, Shiwasu Hoshikawa