While the parents are away, the nephew is alone at home with his aunt who came to help with the housework. The nephew, who is in his prime and has no girlfriend, is aroused by his aunt's mature body, and his erection is uncontrollable. The aunt is insensitive to the strange changes in her nephew. The nephew can't help but hug her, and the aunt blushes as she smells the scent of a man for the first time in a long time.