This role-play is performed by adults. Every man is attracted to an adult woman at least once in his life...Since he was bored with his girlfriend, he fell in love with her big-breasted older sister. One day, my girlfriend went on an affair trip with a senior from her university...I couldn't hold back my feelings and confessed my feelings to my girlfriend's older sister who encouraged me when I was depressed. ``I'll be your girlfriend for 3 days only.'' For a limited time, I had sex with a naughty, big-breasted lady who gently embraced me from morning until night, repeating forbidden sex according to my desires.