“Every tool has a story,” she said, placing the box between us on the classroom desk. “And every story is a kind of tool.”

That day, I learned the odougubako wasn’t just her collection — it was an invitation. A way of saying: You have tools inside you, too. Grief. Wonder. Silence. They aren’t broken. They’re just waiting to be opened.

Years later, I still don’t fix watches or draw perfect circles. But I keep a small box on my own desk. Inside: a marble, a dried petal, and a note that says, “Ask, don’t tell.”

Ayumi-chan didn’t lecture. She asked: “What do you carry in your own invisible box?”