ADN-715 I'd been abstaining from sex and saving up my sperm in an attempt to conceive, but when I found myself alone with my sister-in-law, who was soaked in the heavy rain, I couldn't contain my arousal... Azusa Hikari

I have a strong sex drive and masturbate twice a day as a daily routine. Perhaps because of this, he did not produce enough sperm when having sex with his wife, who was trying to conceive, and they were unable to conceive. My wife had gotten impatient and scolded me, telling me to abstain from sex for three days. I was crying and enduring it, My step-sister Hikari arrived in the pouring rain soaked to the skin. My wife is out, and I'm left alone with my sister-in-law, whose breasts are wet and transparent... ...Unable to contain the sexual desire that had been building up for three days, I attacked my stepsister.