Miki, a married woman, brings a young man into her house while her husband is away on a long business trip and enjoys an affair. While being penetrated from behind, she writhes in pleasure as she is creampied, saying, "It's better than my husband!" Her son witnesses the scene, and since then, Miki has become her son's obedient slave! She is ordered to open her asshole and show it to him, and sucks his dick as she is told, and he cums in her mouth with an irama. Miki, who is a masochist, begins to get excited by her son's punishment, saying, "I want it... give me your dick!", and she asks for incest, and submits to her son's orders!