Eri Saeki, a beautiful slender woman with beautiful legs and dazzling white skin, takes on the "Cowgirl Time Trial!"! If Eri can make a man cum in cowgirl position within 5 minutes, she wins! If she can't make him cum, she gets a penalty. The simple rule is that she immediately takes off her sexy costume. Eri worries about feeling free, but she decides to attack from above. "Despite what I look like, I'm good at licking nipples," she says with an erotic face as she looks at the camera. She inserts a penis that gets instantly erect with her erotic technique in cowgirl position. Eri swings her hips vigorously from the start, and she's so serious that she can't take a break and say, "I came within 5 minutes." Will Eri be able to make him cum within 5 minutes?! Please take your time to watch the video to find out more!