[HUNTC-475] "If you keep masturbating, you'll be stupid, so let's have sex with your sister-in-law!" Worried that I was just jerking off without studying, my sister-in-law suggested sex! But in reality, my sister-in-law is just aroused and wants to have sex with me.

No girlfriend... My daily routine, not being popular, is masturbation. And her sexual desire is strong, so she jerks off almost every day. My sister-in-law secretly watched me like that! Then one day, he lectured me, saying, "If you keep masturbating, you'll become stupid!" She then suggested a solution to me, who is addicted to masturbation, saying, "Let's have sex with me." What! Is it really okay? on my confused dick! And with my stepsister leading the way, the sex develops more and more! She managed to do both the long-desired paizuri and! I don't have to myself anymore! It's just too good! Since family is always the object of my sex, I'm going to quit masturbation!