Curious about the shoes' wearers, she begins to ask questions. Why do the sneakers of a neatly dressed boy look like they have never been worn? Why are the ballet flats of the girl from her school so worn out? With no one to give her any answers, she starts to imagine the answers for herself.

One day, when her mom has to work late, missing out on an afternoon with her daughter, Matou feels frustrated and let down. Can stepping into her mom's shoes help her build a bridge of understanding between them?