A full-scale live-action version of "I became a male and my sister who became a female" depicting the innocent sex between a virgin and a virgin who recorded the number one sales on the FANZA douujin floor! It is a must-see for the two people who are captivated by pleasure while being puzzled by the feeling of SEX for the first time! All about SEX that feels good in my head anytime, anywhere! Please take a look at Mei Satsuki, who plays the role of Sister who shakes the G cup and sprinkles!