Uno and Masashi have been living happily together for three years. Because their lives have been stable, they have decided to have a child together soon. Today is Uno's most fertile day, and she has prepared many nutritious dishes to help her husband be energetic tonight and create a baby with her. However, Masashi's younger brother, Oki, came to visit in the evening. They had a great time, and Masashi got drunk, so they couldn't do anything. The next day, Oki came again and wanted to give something to Masashi but forgot it at the hotel. As he didn't have time, he asked Uno to go to the hotel to get it. When she arrived, he pinned her down and ejaculated inside her on her most fertile day. That night, she made her husband ejaculate inside her repeatedly to forget about Oki.JUL-682 Having an affair with the husband's friend A month later, Oki didn't contact her, and she wasn't pregnant. She thought she could finally relax a bit, but Oki came back. He threatened to tell Masashi everything, so she had to listen to him and let him continue ejaculating inside her on her most fertile day. And from then on, every month, when her most fertile day came, he would come to impregnate her. This time, Masashi also wanted to impregnate her, but she refused. She lied about going to a friend's birthday party and spent the night at the hotel with Oki. A month later, she was pregnant, and Masashi was overjoyed to be a father soon. But she knew that the baby in her belly was most likely not Masashi's, as they hadn't had sex in the past month...
