She had found it that morning under a stack of returned library books, a smear of ink like a trail of ants across the margin. The note bore no name—only that string—and a tiny fold of pressed lavender. The smell surprised her: summer and something older, like sun on stone. It made her think of places she didn’t belong, and so she kept it, because sometimes a useless thing is more honest than the things people say.

A boy near the back handed Lola a mug with steam that tasted like cinnamon and rain. “You can ask,” he offered. “But be careful. The answers pick you.”

“I don’t know what I’d want to find,” she admitted.

“Why do people hide things like this?” she asked.

“Schatz,” he said, sounding out the first syllable as if it were clay. “Is German. Means treasure.” He pointed to the middle—“tut gar nicht weh.” That was a phrase she would not have guessed: it doesn’t hurt at all. “A promise,” he added. “And 105—” He squinted, then shrugged. “A room number? A key? Dvdripx264wor... someone was careless enough to paste their download file into a riddle.”