SCOP-344 As a virgin, I had my sister practice sex with me the day before my first date. Of course, we weren't supposed to insert it, but my sister got so turned on from grinding that she slipped it in...

Film Introduction

A virgin brother who has his first date with her tomorrow. Her delusion grows, and if he does not do well, he will be ridiculed by her, and he consults with his sister. At first, he was reluctant to do so, but somehow managed to win over his older sister and ask her to become a sex practice table.