Stepsister Shows Her Tanlines

Your stepsibling returns from the beach flaunting her sun-kissed skin and distinct tan marks. Playfully teasing each other, she slips off her top, revealing her naked breasts. Things heat up as she becomes curious about your tan lines and begins to inspect them. Your arousal is evident, and she decides to explore further, teasing and pleasing your hard manhood. The spicy game escalates as boundaries blur - how much further will this tantalizing escapade lead?