The only daughter of the Anrita family and Masuo-san, who is in a married state. If you say it nicely, he's laid-back; if you say it badly, he's an unemphatic son-in-law. The mother-in-law, Yuko, often found him irritating. Today, everyone was enjoying the after-dinner gathering, but this son-in-law was playing a mobile game. Yuko scolded him. Reflecting on her husband's words that she had gone too far, Yuko decided to apologize to the son-in-law tomorrow. Just then, her husband went out drinking at a friend's invitation. Yuko reluctantly went to bed alone. As she slept, she sensed some movement. Thinking it was her husband returning, but something felt off. When she opened her eyes, she saw the son-in-law with bloodshot eyes hugging her and sucking on her nipples. Shocked, Yuko tried to stop him, but he didn't relent, and his caresses became more intense. Though Yuko resisted, she couldn't match his strength, and since she hadn't been intimate with her husband recently, her lower half was surprisingly wet. The son-in-law thrust his hard, hot member into her as if showing it off. In that instant, Yuko climaxed. The son-in-law moved vigorously inside her, making her unable to resist the overwhelming pleasure. His thrusts grew more intense, and when he pulled out, hot liquid splashed onto Yuko's buttocks. Yuko indulged in the powerful sensation of an act she had never experienced with her husband. The next evening, as Yuko headed towards the living room, she saw the son-in-law sitting there dejectedly. He apologized to Yuko for yesterday. Yuko also apologized for going too far and gently hugged him. Knowing it was wrong but whispering 'just this once,' Yuko kissed him again, saying 'today only'...
