Stressed out from the doctor's continuous demands, Inubo takes a vacation from work to spend quality time with his son. This worries Nekoyanagi, who speeds off to the countryside to see him in person. Inubo is taken aback by the gesture, and starts to wonder... is Nekoyanagi ready to commit!? Oh, and there's loads of steamy sex too.
Japanese Title: わんわんお父さん4