Kenji is captivated by the large breasts and alluring charm of her mother, Honami, and becomes so aroused that he can't control his erection. Honami, whose husband is away on a business trip and who is feeling increasingly lonely, is also aroused by Kenji's youth and indulges in self-gratification while calling out his name. Kenji witnesses this and forces himself upon Honami, and the two become entangled in a morally corrupt affair, stealing moments away from their daughter's watchful eyes. Honami initially refuses, fearing the destruction of her family, but...