After getting married and starting a three-person household with my father-in-law, Suiko and I decided to try Polynesian sex. Polynesian sex involves four days of prolonged foreplay only, and on the fifth day, when having sex, spending time on foreplay and not moving for a while after insertion to heighten the mood, supposedly leading to a deeper and longer-lasting climax. Both Suiko and I were looking forward to that day, but on the fifth day, an urgent business trip that couldn't be declined suddenly came up. Suiko, unable to bear her arousal, masturbates in the bedroom. My father-in-law, witnessing this, loses his sanity. Her vagina, heated and softened after four days of heightened sensitivity, is slowly stirred by my relentless father-in-law's persistent thrusts. Then, with an explosive squirting orgasm from pent-up desire, Suiko's perception of pleasure is rewritten...
