Then Haru’s traces began to cohere.

The handwriting was impossibly neat and unmistakably not her own. Mika carried the note to the couch and read it again. Rational thought said it was a file, a script that printed a font chosen by some preservationist with a soft spot for analog comforts. Her chest misfired anyway.

“Hello?” Mika asked aloud, absurdly. The mic icon pulsed in the corner of her screen; the program had access, but it did not yet use it.

“You installed me,” Aoi said simply, and the voice bore no accusation. It carried the echo of the save file’s past: laughter, arguments over how to toast bread, an anniversary of some sort marked by a paper crane taped to the bookshelf.