Truck driver Jo has raised his children alone since his wife died of an illness fifteen years ago. When the daycare where his adult daughter works closes for a week of renovations, she decides to travel overseas and asks her childhood friend Kana to help Jo around the house. He has known Kana since she was a child and always regarded her like another daughter, but she is now a voluptuous adult woman whose face and body awaken desires he has not felt in over a decade.