Koi, a wife, lives an ordinary but happy life with her gentle and earnest husband Mitsuru. One day, on the way home from shopping, Koi notices a man doing manual labor taking a break by the side of the road. His tanned, muscular body, the smell of sweat, and a rough appearance without a trace of refinement. Koi is somehow taken aback by this man, who is the complete opposite of her husband. She invites the man over to her house, saying, "I want to start a vegetable garden on the roof..."