SSIS-260 Having become a bitch, I returned to my hometown for the first time in three years. My childhood friend's older sister smiled at me and sexually harassed me. I'm a virgin.

A kind and always smiling relative, 'miru'. I had been harboring a faint crush on her since long ago, and I was looking forward to my return home after three years... But the sister who had learned to play around at night in the city had become a slut who trolled men with matchmaking apps and was okay with sex with anyone...!! 'How about big sis takes your virginity? Haha' 'Come on, take out your dick haha' No, wait, it's shocking that she turned into a slut... But there's no way I can resist if a cute girl like her keeps molesting me...!!