Real Handjob. Cum on My Stepsister's Feet in Sandals

My stepsister finally made friends with a good guy, he called her on another date, they have been dating for almost half a year. He came to pick her up and is waiting for her outside the house. I couldn't pass by my stepsister and made a condition that I wouldn't let her go out with her boyfriend until she gave me a handjob, it's incredibly satisfying when she jerks off my cock and I cum on her feet. As a result, her boyfriend is waiting, and I'm cumming on her. It's a bit unfair.