After I started dating my girlfriend, we immediately decided to move in together. She has an older sister, and by chance we ended up moving near the workplace where her sister works. One day, while I was masturbating at home with my girlfriend away, her older sister, who had been called over by her younger sister, came in and caught me. Ignoring my confusion, she seduced me by showing off her huge ass, and I gave in to her sex appeal and started having sex. 'Production and copyright: K.'
