Yuuki Maioka, a married woman with big tits, had just moved and tended to stay indoors. One day, after calling a man to fix her gas, she was assaulted and forcibly fucked without being able to resist. Immediately afterward, a pizza delivery man appeared and once again forced himself on her. In reality, both men lived in the adjacent room and had been targeting her all along. Overwhelmed by the pleasure, Yuuki gradually became addicted. Her body responded greedily, climaxing intensely as if she were pure eroticism incarnate. This story depicts her step-by-step descent into irresistible pleasure, an increasingly deepening erotic journey.