After getting married, Karen moved in to live with her husband and father-in-law. Their married life was initially very happy, but recently her husband has been too absorbed in work and not paying as much attention to her as before. On their wedding anniversary, she prepared a romantic dinner waiting for her husband to come home, but in the end he decided to work overnight at the office. Disappointed with her husband, her father-in-law appeared, had dinner, drank wine with her, and they chatted happily until Karen got drunk. When she woke up, she found herself in her father-in-law's room. Her father-in-law also knew that Karen and her husband hadn't been intimate for a long time, so he wanted to make it up for her son. He continuously used his tongue to lick all over her body. From her beautiful face, breasts, armpits, legs, and even her anus! Her sweat and vaginal fluids kept flowing and her father-in-law sucked them all up. Although she knew this was wrong, the emotions her father-in-law brought made Karen unable to resist. They kept having sex whenever her husband was not at home. And on one occasion when her husband came home early and was happy to be with his wife, a lewd sound came from the room. When he looked inside, the scene before him seemed to shatter his world...