Adachi loves trains, Ogawa is often cheerful, Ucchan knows a great deal about living things, and Shuko cannot bring herself to go to school. Carrying their own small secrets, these four third-graders gradually build connections through the words they share around the station, in the park, and at school. Told in both words and pictures, it is a gentle story of after-school hours.

Four third-graders with small secrets slowly come to understand one another in their town after school.