A dual-stimulation technique that continuously stimulates the clitoris to expand the vagina, making it more receptive to penetration. Even during intercourse, the clitoris is constantly teased, employing a special method that delivers intense pleasure and amplified sensations far beyond ordinary sex. This time, the performer is Mio Kimijima, an intelligent and beautiful secretary. Watch her lose control and urinate as she experiences overwhelming, vulgar, convulsive ecstasy through this dual-stimulation sex play.