A married woman who is frustrated with her husband's premature ejaculation and is no longer satisfied with cheating sex finds an erection drug on the internet and gives it to her affair partner, which makes his penis swell and become insatiable! No matter how many times he ejaculates, it stays erect and hard, so she gets immersed in kneading sex, rubbing her hips against the spot she wants! Endless sex where they can cum as much as they want and make each other cum!