The father, who left his son Ken behind while on an overseas assignment, had been worried about Ken's intense weight training since he decided to appear on the show 'Muscle Champ,' even skipping meals. So, they hired a housekeeper, and Kaede came. Despite Kaede's arrival, Ken continued to obsess over his workouts, but no matter how much he trained, he couldn't get six-pack abs and was frustrated. One day, while Kaede was doing chores, Ken accidentally saw her panties, and from that moment on, he suddenly started getting abs…
