At home, there's not an ounce of sex appeal in the plain mother, Kyoko. But she's the No.1 bubble girl at some high-class soapland for mature women?! Her son was left speechless. He had been excited about his first time at a soapland, but his enthusiasm vanished. However, looking closely at Kyoko, he noticed she looked unusually seductive. Despite being his mother, he couldn't help but see her as a woman. Then, Kyoko uttered a shocking sentence: "Hey, since you're here anyway... why don't you enjoy yourself?"
