Maki Tomoda is a married woman whose relationship with her husband has grown cold. She's long been aware of his infidelity but has kept silent. On a friend's advice, she joins a dating app and meets Kousuke, a 26-year-old man. Having moved to Tokyo six years ago, Kousuke still struggles to adapt to city life and carries deep loneliness. Maki empathizes with his feelings, and the two gradually develop new emotions for each other. With little prior experience with women, Kousuke begins to open up through his time with Maki. As their feelings deepen, they build a warm and intimate bond.