Slender, fair-skinned Sato Eri, known for her beautiful legs, takes on the Cowgirl Position Time Trial! The rules are simple: if she can make the man cum within five minutes, Eri wins—if not, she faces a punishment. Stripping off her sexy outfit, Eri appears hesitant despite the playful atmosphere. But once she decides to take control from the top, she locks eyes with the camera and seductively says, "Don't let my looks fool you—I'm really good at nipple sucking." Using her erotic skills, she quickly gets the man's cock hard, mounts him in cowgirl position, and starts thrusting her hips with full intensity from the very beginning. So into it that she gasps, "I'm gonna cum myself within five minutes!" Can she make him climax in time? Watch the video to find out!