The story centers on a man named Toki (39) and a woman named Remi (39), childhood friends who are now in their forties. Remi is a widower, and now lives with her mother and daughter. Toki returns to his parents' home after a divorce. After their reunion, Toki opens up to Remi about his divorce. [ANN, edited]

The manga is adapted from the author's oneshot. The oneshot can be read here in Japanese. This chapter is numbered as "chapter 1" in the volume.