Mommy's Little Sissy: Aerobi-shame
That's it, honey...just let it nestle up along Mommy's thong, right between her cheeks...just where you always like it. Sissyboy can't resist Mommy-bottom.
Don't think about all of those other women in the gym.
Don't think about the girls from school seeing you here in girly tights, humping your own Mother's buttocks. Don't think about how they'll laugh, and tell everyone at school about your shameful, perverted desires, making sure you'll never, ever have a chance to find a girlfriend and lose your virginity.
Just rub your tiny little sissy-nubbin between Mommy's cheeks. That's a good little girl. Up and down, up and down. Oh, you're so small...you really *are* almost a girl. Do you really think you could ever satisfy a woman with that? You're better off being a sissygirl.
Listen to how sleek it is...our leotards and tights are so sleek and smooth, it's almost like we're nude together. Can you imagine? Mommy and her sissy son, rub-rub-rubbing our nude bodies against each other. You could almost pretend that you were having real sex with your own Mother.
Mommy knows what her little sissy thinks about late at night when he's playing with himself. Doesn't she?
Is that what you fantasize about when you're masturbating? Fucking Mommy? Most boys your age think about girls at school, or centerfolds, or celebrities...but not Mommy's little sissy.
Go ahead, and hump...hump...hump Mommy-bottom.