Demi-frère anal et chroniques de streptococcique

It's my stepsister's birthday soon so i thought about a nice present for her but it's definitely pretty personal so I need to bring it up at the right time. She's getting ready right now and will still be home for a little while so I think I could give it a try. I tell her to close her eyes and put her hands in front of her. She touches it for a little bit but she's unsure of what's in her hands. Eventually she realizes that it's attached to my body and opens her eyes! Oops I just but my hard dick in her hands! lol After that first reaction of surprise she's warming up to that idea, so much much that she starts sucking on it and with one thing leading to another I'm fucking her ass in no time!