Ne-san, a 30-year-old married woman, breaks the cherry of a virgin guy who has a cock several times bigger than her husband's. In a close mixed bath, she gets aroused by his rock-hard cock. Compared to the virgin guy, she's a total sex pro, guiding him through all sorts of play for his first time, making it an ecstatic experience. "I want you to cum inside me so many times!!" she pleads, hoping for internal ejaculation. This incredibly pleasurable sex, where both parties win, how long will it last...?