Tsundere Sister's Loving Peek: My Little Sister, Who's Become My Ideal Type, Throws a Reverse Temptation Tantrum Saying "I Want to Be Naughty with You, Big Brother!" and Once My Dick Is Stuffed into Her Tight Pussy, She Starts Purring "Nyaa nyaa nyaa" and Acting All Cutesy. Yui Nagase
On the day I returned home after a long absence, my sister Yui acted as usual—her typical tsundere self. Though she clearly likes me, she keeps snapping at me, and that attitude turns me on. When she accidentally flashed her panties in a vulnerable moment, she got even angrier, and her reaction was incredibly sexy. But then I discovered her masturbating while sniffing her own panties. Yui shot back, "Well, I love you so much, big brother! Got a problem with that?" Unable to resist her words, we ended up crossing the line into something sexual.