Miki and her husband remarried four years ago, each bringing children from previous relationships. There were some concerns, but her husband's son was responsible and got along well with Miki's son, who looked up to him like an older brother. Miki's son had never known how to masturbate and always had his mother take care of it for him. That day, he threw a tantrum and made Miki jerk him off. This scene was accidentally witnessed by his older brother who had just returned home. One evening, after Miki got out of the bath, her stepson spoke to her. "I saw..." He reached his hand towards Miki's crotch. From that day on, he began to force himself on her repeatedly...
