Squatting on my stepbrother's cock until my ass is sore

My stepbrother\'s cock is a weapon of desire, and I\'m about to use it to take down my stepbrother. I strip down and get on my knees, ready to give him the best blowjob he\'s ever had. But that\'s not enough, I need more. I climb on top and start riding him, squating on his throbbing cock until my ass hurts.