"Yessss! Bite it! Bite my nip!" Wanda screamed in a frenzy of incestuous lust.

Brad moved his drooling mouth rapidly from one trembling tit to the other, using his lips, tongue, and teeth, making the little girl moan with joy and lust.

"More! More! Bite my nips! Chew on them!" she yelled, humping up at the boy with her crotch to impale herself fully on his thrusting prick.

Spurred on by the girl's lewd pleas, Brad sank his teeth harder into one of her nipples, feeling it shudder against his teeth.

"Yeow! Yessss! I love it!" Wanda cried as tears of pain and pleasure filled her eyes.

Brad moved his mouth to her other tit and chewed hard on that stiff nip.

"Omigod! That's great!" she gasped.

She ran her hands up and down his strong, muscular arms, raking the hard flesh with her sharp fingernails. Her entire body trembled beneath his as he began to fuck her harder.

She clenched her strong, tight cuntmuscles hard around her big brother's cock. Then she unclenched them, releasing his cock so he could pull out of her and slam back into her pussy even harder.

"Unnnhhhh, yessss, I love it when you fuck me hard like that!" she groaned, tossing her head from side to side.

She arched her back and thrust her crotch up against the boy's cock, meeting it with her gaping, wet pussy. She clawed at his broad back with her arched fingertips, leaving little red welts. Her fuck-hole opened up even more to his rutting prick.

"Ohhhh, you're all the way inside meeee!" she whined as she felt her little cunt-hole fifing up again with the deliciously hard meat.

"I love fucking you, honey!" Brad cried, drops of sweat dripping off his flushed face and splashing down onto his kid sister's face and tits.