Bungo Stray Dogs, Volume 25 (Bungo Stray Dogs #110-114)

All hope seems lost as the world teeters on the brink. With the forces of the agency scattered and One Order in the hands of Fukuchi, Fukuzawa must rise to his feet and steel his heart to strike down his dearest friend once and for all. Meanwhile, back in Meursault, Dazai and Dostoyevsky’s battle of wits appears to have come to a close... or has it? As Sigma sifts through the mysterious conjurer’s memories, he arrives at a shocking and terrifying truth!