ROYD-267 - Brother and sister succumb to the temptation of their step-sister, falling into pleasure.

After my father remarried, my sister and I gained a step-sister. She is bright and beautiful, but my eyes keep wandering to her chest and hips... One day, I was seduced by my step-sister and lost myself in a physical relationship! If our family found out... But my serious sister also learned pleasurable things from my step-sister, and eventually we developed a relationship where the three of us had sex in secret from our parents!