The town where the protagonist lives is a small hot springs village surrounded by mountains and red autumn leaves. Spending his days with no fixed job or goals,
the protagonist finds a listing on a job app for a live-in part-time job at the "Akiba" hot springs inn. The duration of the work is a mere 7 days. The landlady running the inn. A female university student visiting on a solo trip.

A wife unable to enjoy a trip with her much older husband. A woman who cannot accept her new family. The encounters that began under the autumn leaves eventually turn into secret relationships...