His wife, Eriko, took over from her parents as the caretaker of the apartment building. She was loved by everyone for her caring nature, but one day, one of the residents, Ryoichi, was taken into custody after getting into a fight. The caring Eriko took care of the injured Ryoichi and even gave him a bath. Ryoichi's erect penis was gently wrapped in Eriko's voluptuous body and he came in an instant. Since then, he has become addicted to Eriko's obscene caring, but by chance his husband finds out...