She added a final entry: “If you find this years later, know that someone once left their laugh like a pebble on a path. It rolled into a story.” Then she labeled the file, gently, precisely: 18/07 — Miyuki.

She wandered with the portable like a new talisman. Every stall seemed to invite an entry. She pressed record and left a note: a description of the light on the fried-oyster stall, a line about how the summer heat folded like wet paper into the night, and a silly vow to always try the dish at the blue stand next to the fountain. Then she stopped, hesitated, and recorded another line, softer this time: “Miyuki, twenty-one. If someone else finds this, tell me the small thing that made you smile tonight.”

Miyuki listened. A’s voice was bright and immediate; there was the echo of fireworks and an amused exhale. “Found it,” A said. “Left my laugh. This thing is dangerous. It makes you want to talk to people.”