Hitomi was dissatisfied with her husband, who was so busy with work that he forgot about their sexual relations. With no outlet for her sexual desire, she turned to her beloved only son and they entered into a forbidden relationship. Completely Kokoro by her son's young and powerful rhythm, Hitomi began to engage in forbidden intercourse whenever her husband was out. Her son also got a taste of the pleasure that Hitomi had taught him, and eventually they began having sex the moment her husband left the house...