The thick semen he accumulated in his efforts to conceive was extracted by his wife's sister, but his wife was still unable to get pregnant... (YUJ-036)

My wife only has sex with me when she's pregnant. I need to ejaculate daily to satisfy my intense sexual desire. Even the obstetrician says that if I don't abstain, my sperm count will decrease. I've tried to abstain, but every weekend my wife's sister comes to our house and extracts my accumulated semen…