Aika blinked. Her own memories were tidy, scheduled, catalogued—thesis drafts, grocery lists, names. She had never been in that hallway. Yet the smile was hers: the small asymmetry in the left cheek, the scar under the chin from childhood clumsiness. For three nights she ran that segment frame by frame. In the sixteenth frame from the end, a reflection in the hallway’s glass showed a second figure behind the camera—a child with her mother’s eyes.