Eru-chan, a spoiled child who loves her older brother, is a student girl. When I was touching my body with my good friend's older brother, my crotch got itchy! ? When I asked my brother to check my crotch, I was surprised to find that my pants were soaking wet! Apparently Eru-chan, it seems that I was in a naughty mood before I knew it! So, the perverted big brother of loli*n siscon decided to go out of his way to teach her little sister how to study!
