Akutagawa and Atsushi clash in an explosive final confrontation—one side desperate to save his last remaining family member, the other seeking to keep his promise with the late orphanage director. And at the battle’s end, the pair will discover the truth behind their world as the thrilling alternate tale of Bungo Stray Dogs comes to a grand conclusion!

Volume 4 of the Bungo Stray Dogs: Beast manga series by Kafka Asagiri.