IPZZ-791 Former slutty gal Mitsuri Nagahama tries to help her best friend's sex-crazed son who's always masturbating, but ends up getting beaten back by his relentless, powerful thrusting.

My best friend asked me to! I guess I'll lend a hand and give him a handjob! A virgin! A shut-in! Mitsuri, a former slutty gal, steps up to quell the insatiable sexual appetite of her best friend's son, who spends his days and nights masturbating! A former slutty gal who's slept with 100 men VS a super-sexually insatiable monster son! I only intended to give him a quick virginity... but no matter how much I stroke him, he gets a full erection immediately!? On the contrary, his libido only increases!? I can't hold back anymore...