Suzy ate, lapping up the juices. Donna stared around at Eddy's hard cock slipping in and out of Suzy's asshole, throbbing, jerking, and slick.
"Fuck your sister's ass, Eddy! Fuck, fuck, fuck it!" Donna chanted.
"I am! I am! It's so tight and hot!" Eddy groaned, knocking Suzy up and down on the bed, making her grunt. His prick punching through her asshole bumped her face into Donna's we cunt every time. Suzy just slashed her little tongue in the golden pussy faster, biting at Donna's clit.
"God, Suzy, you can sure lap a cunt!" Donna praised gratefully.
"You have a great asshole, too Suze!" Eddy rasped, stiffening. "Go ready for an assful of jism!"
Then, a last cock-thrust flattened Suzy's asscheeks. When Suzy yelled to the spurts of jism up her ass, Donna knew that the boy was really pumping cum into his sister's asshole.
"Fuck me, fuck me!" Suzy screeched, grinding back on the prick.
"Yeah! Fuck you, fuck you, Sis! What an ass!" Eddy panted, rocking his hips and hosing his load into her.
Donna, cunt still gushing, knelt up and reached behind Suzy's ass. She grabbed Eddy's balls, squeezed than, helped them empty into her niece's ass. Cum slid out of Suzy's up-reared asshole and dripped down Donna's wrist. The three all came together, bodies shuddering. When it ended, Donna was sore all over. She made herself sit up, feeling weak and used, but very satisfied.
But her niece was not satisfied, Donna saw. Suzy was still horny. On her back now, she had her legs wide-open on the bed, beating at her clit with one hand, sliding a conga of the other hand in her downy fuck-hole.
"Shit," Suzy groaned, "don't stop now. I can go all night."
"We don't have all night," Donna said. "Your parents will be home."
"On fuck, you're right," Suzy pouted. "So will your boy and girl."
"So, we put our clothes on and make things look normal," Donna continued.
"Oh no," Suzy cooed, hugging her brother and pulling on his softening prick. "Me and Eddy are fucking right here in my bedroom all night. But not up my ass again for a while, okay, Eddy?"