It's been awhile since you've seen your little step-sister...and wow has she grown up! I've noticed you've been staring at me. Have you been checking out my ass? Even though you're my step-brother, you're still a man. You can't believe this perfect, round, big booty is on your little step-sister. You've had a big ass obsession for so long and seeing your sweet little step-sister with a 43 inch ass is just too much to handle. Hurry up and worship my ass before Step-Mom comes home.