This role-play is performed by adults. My family moved from the city to my parents' house due to my parents' circumstances. There, the only person my age was an older sister from the neighborhood. There are no recreational facilities in the countryside and there is nothing to do. After school, when I had too much free time, my older sister came to my house and suddenly asked me to have sex. A life where you can have sex without being disturbed by your parents begins. As I repeatedly had sex with an older sister who didn't talk much about herself, I couldn't forget the natural smile she sometimes showed me...