Her daughter is pregnant and her belly is visibly getting bigger. Maiko is worried about her daughter's health, but is looking forward to the birth of a new family member. Today, while her son-in-law is having a drink alone, Maiko decides to join him. She was drinking happily, but she thought her son-in-law's remark was cute and teased him. Then, her son-in-law said, "Your mother-in-law is sexy, so I'm going to take it seriously. I haven't done it with my wife since she got pregnant, and I'm pent up. If your mother-in-law is serious..." she said, and he stood up. Maiko couldn't stop her heart from pounding at her son-in-law's words. One day, her daughter went out for a checkup. She said goodbye to him, and when she turned around, her eyes met with her son-in-law. She couldn't help but look away. Then the son-in-law approached her and put his hand on Maiko's shoulder. Maiko was confused and troubled by her son-in-law's actions, but when he hugged her, she couldn't control herself and finally crossed the line with her son-in-law...