One day, Chitose began living with her daughter and son-in-law, finding true fulfillment and happiness in the warmth of family life. However, when her son-in-law Koji quit his job, the couple's relationship gradually turned sour. Stepping in to mediate, Chitose carefully tended to them both, nurturing their bond through everyday kindness. Drawn to her gentle nature, Koji slowly found himself falling for her, filling the emptiness in his heart. Eventually, after landing a new job, Koji confessed his feelings, and Chitose, moved by his sincerity, could not resist being swept away.