Moka (20 years old), innocently playing on the beach, is invited to join the Magic Mirror Van for the erotic "1cm 10,000 Yen Dildo Challenge"! This soothing amateur girl with a plump, big ass and a dazzling, sand-covered swimsuit is seduced by the prize money, so she pushes her swimsuit aside and excitedly straddles the slippery dildo! She teases, "Just the tip..." but succumbs to the pleasure and slides it all the way in! With her legs spread wide, her juices splash, and her legs slip out of her...