FSDSS-727 Suzu Nagano is in trouble because she is loved too much by her younger sister who seduces her with panty shots.

Younger sister Suzu was created by her parents' remarriage. - Suzu, who is cute and kind, and I quickly hit it off and thought we were good friends, but as soon as I got her, my younger sister suddenly changed. - Suzu got jealous and seduced me by showing me her favorite panty shot. - We were usually good siblings, but I got an erection from too much provocation and finally crossed the line.