Little step-Sister JOI

Oh hey Big step-Brother, what's up? What, stop, I did not need to know that. It's none of business if you're horny or not. It's not like I can be of much help. No, you can't fuck me. But. I do have an idea. I was thinking that maybe I can help by telling you what to do with your cock. If you wanted to do it...I'd be a terrible step-sister if I didn't try to help you at all. I love you Big step-Brother.