Yokota is a single man who has always had a fascination with breast milk. One day, upon learning that his neighbor, a married woman named Marie, is breastfeeding, he immediately starts listening to the neighbors to calm his own urges. By chance, when Yokota comes to their house to share some of her boobs, he sees breast milk oozing out of Marie's breasts. He becomes excited by this and plays with Marie's breasts in obscene fantasies, but is still not satisfied. As he is thinking about how he can get closer to her, he suddenly hears a scream from next door...