DASS-143
The son "helps" the mother have a baby when the father is away
Hinata and her husband have a son named Yuki. Recently, the couple wanted to have another child, but Yuki did not want to. However, the couple decided to have another child and proceeded to "produce" that night. Yuki accidentally walked by and looked inside. He was immediately seduced by his mother's seductive body, and a sense of wrongness began to arise in him. The following week, Yuki's father had to go to the US for work for two months. In the first month, Yuki kept expressing his affection for his mother, not in a familial sense, but between a man and a woman. Hinata thought it was because it was the first time he saw a naked woman. But throughout that month, Yuki actively helped her and expressed his affection for her. Over time, their feelings developed beyond the boundaries that they should not have crossed. And then, a month later, Hinata agreed to let Yuki become "a man" in the family in the true sense. They continued to have a physical relationship, and Hinata even had Yuki impregnate her. Even when her husband returned, they secretly continued this improper relationship whenever Hinata's husband was at work...