On the day my dad was away on a business trip... I lusted after my mom for the first time. My mom, Tomomi, was taking a bath when her son Koji asked her to bring soap. He reluctantly followed her orders and picked up the soap, and when he opened the bathroom door... he was startled to see his mother naked for the first time since he was a child, and his groin got hard. "Hey, what are you thinking?" Tomomi never dreamed that her son was thinking about her as a woman, but from that day on, their relationship started to become strained...