This live-action version of "I Became a Male and My Older Sister Became a Female," which was the top-selling story on the FANZA Doujin floor and depicts the innocent sex between a virgin and a virgin boy, is now available! Don't miss the two of them, confused by the sensations of their first sex but becoming addicted to the pleasure! Always and everywhere, they're thinking about pleasurable sex! Don't miss Mei Satsuki, who plays the Satsuki Mei sister, shaking her G-cup breasts as she orgasms over and over again!