How Could I Resist Cumming Inside My All-Natural Stepsis?

I love it when my stepsis Valentina comes to visit. We get to reminisce about being kids and all the crazy things we did back then… but this time feels different. When she started parading her big ass around the house in the tiniest underwear I should’ve guessed that she was onto something naughty, but I wasn’t expecting this! She wants me to breed her? Like fucking her and cumming inside her? At first, I didn’t believe her, but now that she’s pushing my cock down the back of her throat, I think she might be serious about this…