SPRD-1510 That time, I was invited by my mother-in-law... Fukuyama Iroha

My wife is pregnant and will give birth soon. My wife and I, along with my mother-in-law who lives with us, went to the hospital together. However, there were still no signs of labor, so my mother-in-law and I returned home. During dinner, my mother-in-law said she was fine, so we drank alcohol together. I felt like I was doing something wrong, but my mother-in-law said let's try something even worse and kissed me. My mother-in-law's kiss was both lewd and stimulating; since it had been a while with my wife, I immediately got an erection. Then, my mother-in-law happily took my thing in her mouth and slowly sucked on it. Unable to hold back, I came, but my mother-in-law sucked on my thing again. Just then, my wife called. I hurriedly answered, but my mother-in-law happily buried her face in my crotch and started licking...