Even today, Megumi and her husband have sex at night, but recently her husband has been losing his erection and has become indifferent. Unsatisfied, Megumi often comforts herself on her own, and her son watches her. One day, Megumi goes shopping and comes home. However, she can't find the door key. She is anxious to hold in her urge to pee. When she rang the intercom, her son opened the door. She immediately entered the entrance, but then she lost control. That night, Megumi asked her son not to tell anyone about what happened. Instead of keeping quiet, her son pushed her down...