Yu married a colleague, and the two have been living happily together for 5 years. Because her husband's income is quite high, their life is very comfortable and peaceful. But someone has changed Yu's life forever. Yu's father-in-law used to be the president of a company, but due to economic downturn, the company went bankrupt. With nowhere else to go, he came to live with Yu and her husband. Due to his past position, he had a very arrogant attitude, which Yu couldn't stand. Yu's husband wanted to have a child, so he tried to be intimate with her every night. However, he was not very skilled in sexual matters, leaving Yu unsatisfied and never experiencing pleasure. One night, as Yu's father-in-law passed by and saw her expression, he realized she was not fulfilled. Taking advantage of a moment when Yu went to fetch water, he attacked her, took her, and impregnated her. Though she couldn't speak out, Yu's body responded to her father-in-law's advances. After being intimate with him several times, Yu came to terms with herself and actively sought him out, asking him to be intimate with her. A month later, Yu discovered she was pregnant. Her husband was very happy that their efforts had finally paid off. However, Yu knew that the time she got pregnant was also when she started being intimate with her father-in-law. Previously, she and her husband had been intimate every night for a long time, but with no results. Perhaps the child in her womb is not his...