Your pesky step-sister, Kiara, is one of the hottest girls you know. You argue a lot, you annoy each other but you still care about her. So when she is a distress about trying anal with her big-cocked boyfriend, you offer to gently initiate her into the art of anal love. Considering you are even bigger than the aforementioned boyfriend, if she can take you, she will be able to handle him too.
