男子トイレで待ち合わせ

A girl with nowhere to be at lunch has claimed a disused boys' bathroom at her school as somewhere quiet to sit, until the day she finds a boy already in one of the stalls. Neither of them leaves, and the standing appointment they fall into turns into a friendship and then into something else. Mizu Asato pairs that title story with five more unconnected one-shots in the same volume.