Yuki-chan has a kind husband and mother-in-law. She looked happy being with them and her cute son, Tsubasa, but one day, she suddenly disappeared. It became a hot topic among the mothers at the nursery school and according to rumors, she had run off with a man.

Haruka, Yoriko and Tomoko were close with Yuki-chan but they knew nothing about this. However, they each seem to have something they could recall about it... After having their peaceful days attacked like this, these fellow mothers gradually begin to notice their own darkness... These are stories that might happen in your own daily life.

Won the 2021 Tezuka Osamu Cultural Prize for Short Story.