My wife is pregnant and will soon give birth. As it is her first birth, she is full of anxiety. Perhaps knowing her anxiety, my mother-in-law has been supporting her. One week before the due date, my wife went into labor. In contrast to my wife and I who were panicking, my mother-in-law was very calm. In the end, it turned out that the baby would not be born that day, so my mother-in-law and I left my wife at the midwife's clinic and went home. Then my mother-in-law invited me out for a drink. I said, "It feels like we're doing something naughty," and she kissed me, asking, "Do you want to do something even naughtier?" My mother-in-law's kiss was erotic and stimulating, and since it had been a while since I'd had sex with my wife, I got an instant erection. Then, my mother-in-law happily took my penis into her mouth and slowly sucked it. I couldn't help but cum, and she started sucking it again. Then I got a call from my wife. I answered the phone in a hurry, but my mother-in-law again happily buried her face in my crotch and started licking me... I never knew my mother-in-law was this perverted... My wife was about to give birth, but I was drowning in my mother-in-law's eroticism...