Ever since your new step-sister moved in, you've seen her behaving strangely... You're not sure why her behavior seems weird, so you decide to investigate.

One day, you follow her out of the house, only to see her sneak back home when your parents have left for work. Curious, you follow her down to her room... and surprise her... in the middle of jerking her MASSIVE COCK!!

Completely freaked out, you intend to get away-- but she stops you. She tells you she's desperate to keep it a secret.. that it's not a big deal. You calm down as you realize how intriguing this is. Your... Show more