What if one day your mother suddenly became your favorite AV actress? "Nice to meet you, Kentaro." Kentaro was speechless when he saw his new mother, "Miyuki-san," introduced to him by his father. The woman standing before him was Ayame Shiozaki, a mature adult video actress who always looked after him as a nighttime wank. Meanwhile, Ayame was unaware that her stepdaughter from her second marriage liked mature women and was in a panic. Sensing the danger of Kentaro, who had become a mere fan and was going wild with joy, she tried to seduce him by saying, "If you keep this a secret, I'll do the same thing to you as you did to your father."