ROE-422 My beloved daughter's boyfriend and I drowned in intense convulsive backward-bending sex. Sagai Saki.

Just as my daughter Mina was pregnant, the man I was dating at the time and who was supposed to be her father went missing. To ensure that my daughter wouldn't suffer because of being a single mother, I've worked tirelessly for these past 10 years. University graduation, employment, marriage—my daughter has a bright future ahead of her. One day, I suddenly had a relationship with my daughter's boyfriend. Despite loving my daughter, I couldn't control the desire that I had been suppressing, and an electric current of pleasure surged through my body, leaving me numb...