FNS-161 The cheeky little sister who keeps trying to stick close to her big brother and tempt him with a glimpse of her panties: Yui Amanatsu

At my younger sister’s birthday party, I accidentally ended up staring at her underwear. Thinking she must have looked down on me, I decided to keep my distance at home as much as possible. But for some reason, my sister Yui kept clinging to me, and even carelessly spread her legs in front of me, showing off her underwear. Her plump backside and healthy thighs gave off a sense of growth. Whether she knew it or not, Yui kept moving even closer, bringing her lower body right in front of me and making my heart race for someone I shouldn’t be attracted to…