Bungo Stray Dogs: The Crane's Dream and the Book

A century-old contract with a mysterious bookmark cost Tsukikage Tsurune her very soul. Now, in modern Yokohama, she encounters people whose unshakable beliefs begin to thaw her frozen heart. As their warmth envelops her, this lost spirit must confront the obsession that has bound her for a hundred years and rediscover what it truly means to live. A crossover journey where the past collides with the present, and redemption lies in remembering one's original purpose.