Years later, when children asked about the pocket watch and why the initials were important, Keiko would smile and tell them that T.H. stood for the man who mended things and wrote tiny poems. Sometimes she would read aloud the lines that had first found her: “Better to keep a single window open than to chase all doors.”

“Better?” he asked, voice careful.

One evening in late January, Tatsuya knocked on her door and handed her a letter. He had been offered—unexpectedly—a job in another town, a position restoring an old radio museum’s collection. It was a dream job, something he had never named aloud but had kept like a tucked-away page. He had been offered a year-long contract.