They walked together through the city like conspirators beneath an indifferent moon. The first X led them to an abandoned music hall where a grand piano sat beneath a dust veil. Inside the lid, somebody had carved 1000 tiny notches—"giri," Aya said softly, recalling an old dialect word for 'cut'—one for every small sorrow saved like a tally. At notch 720, a tiny compartment revealed a microfilm reel labeled 130614.