In this adult sibling role-play, my insatiable older sister is too busy to see either her boyfriend or her fuck buddy, leaving her hornier and more frustrated by the day. Then she catches sight of my cock while I'm masturbating. “So you've grown such a nice dick?” It turns out to be exactly her type, and with a body and sex drive like hers, she does not care that I am playing her younger brother. Morning or night, she gets me hard whenever she wants, climbs on top, and rides me relentlessly. After being used by that incredible body every day, I cannot get satisfied by anyone but my sister anymore...