KIL-004 My Younger Sister's Growing Up! I Pull a Prank by Giving Her a Hot New Sex Drug, But It Works Better Than I Thought...

■Sayaka I'm a childish little sister who doesn't care even if I can see her panties while sitting on the gym, but if I give her an aphrodisiac, it will turn into more than just a delusion! ■Azusa The day her parents went on a trip. My Little Sister-In-Law, Who Has Recently Grown Her Breasts And Started Wearing A Brassiere, Tried Drinking Tea With An Aphrodisiac... Not only did she start masturbating, but she even made vaginal cum shot! ■Karin A sober and inconspicuous presence in the class, she is a serious little sister who only excels in her studies. Recently, she seems to have a boyfriend, and she has become strangely sexy.