Your lexis little step-brother and you've been spying on your cute 18 yrd old step-sister getting dressed. But she catches you and calls you a little pervert for watching you own step-sister getting dressed. She is pist she can't believe your getting of on your own step-sister. You might as well finish she says. Lexi instructs you to pull out your little cock. Lexi laughs at the size of it and makes fun of your tiny erect cock! Lexi now decides she is going to instruct you on how to properly masturbate to you sexy older step-sister.