Brilliant, exceptionally sensitive, and blessed with a goddess-like waist, adult performer Miyu Oguri finally unlocks creampie sex. Her raw-sex experiment begins with a comparison between condom penetration and bare cock. Without even a 0.01-millimeter barrier, the huge shaft's pulse and heat transform every sensation. Her juices and semen trigger an unstoppable chemical reaction, while angle, body contact, and raw penetration combine to bend her body through overwhelming orgasms. A sexual experiment filmed like a scientific paper.