Yokota is a single man who has long had a fascination with breast milk. One day, upon learning that his neighbor, the married woman Marie, is breastfeeding, he immediately starts listening in on the neighbors to calm his own urges. By chance, when Yokota comes over to Marie's house to share some, he sees breast milk oozing from her breasts. Excited by this, he 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 coming from next door...