Yukina - nạn nhân rơi xuống của một cuộc mát-xa tình dục quyến rũ phần 4

Yukina, whose husband travels a lot, decides to go to an esthetic salon on the recommendation of a friend... At first she is reluctant to go, but she is hooked by the esthetician's technique, which keeps hitting the very edge of her sexuality. What will Yukina do when she can no longer stop her accelerating desire...?