A fitness enthusiast with a secret passion for sex dolls finds his carefully guarded secret exposed by his sister. He's been sneaking into the storage room to indulge in some solo playtime with his lifelike companion. His sister, a fellow fitness fanatic, stumbles upon his secret and can't resist the temptation to get a closer look. She's intrigued by the doll's lifelike features and perfect physique. As she explores, she becomes increasingly aroused and decides to join in on the fun. She starts off with a sensual handjob, her hands exploring every inch of the doll's body. Then, she takes it to the next level, giving the doll a deep, passionate blowjob. Finally, she bends the doll over and starts to ride it, her moans of pleasure echoing through the empty room. The climax is explosive, leaving her thoroughly satisfied and ready for more.