HUNT-700 I'm a guy who's considered creepy by girls and completely ignored. On the other hand, my sister has a bunch of friends coming to her birthday party. The friends at my sister's birthday party are so cute that I couldn't help but put "an aphrodisia

Film Introduction

Unlike me who is disgusted by girls, she is a popular younger sister who has many friends. All my friends are so cute! ! Today, she said she's coming to a birthday party, so I couldn't stand it, so I prepared a drink containing "an aphrodisiac that works for any naive girl" and gave her a drink. ! I put it in every time my friend came over, and even my sister got into heat, but...