I was in my room when I heard a familiar sound, the grunting and moaning of my sister's partner. I decided to spy on him, hoping for some action. To my surprise, he was pleasuring himself by watching my sister's video. He was stroking his big dick, lost in the lustful images of my curvy sister. I knew her well, she's a hot brunette with a voluptuous figure and a hairy, juicy pussy that drives men wild. Her partner was no exception. He was obsessed with her fat, hairy cunt, and he spent hours every day watching her. Watching him jerk off to my sister's images was arousing. I decided to join him, teasing him with my own big pussy. He was taken aback, but soon gave in to the temptation. We had a wild time, indulging in each other's bodies, exploring every inch of each other's fat, hairy pussies. It was a steamy encounter, filled with lust and desire.