They rolled over, onto their sides, still enwrapped, still kissing. Maria squirmed and humped her bare crotch against, his swollen prick. The bulge of her cunt was glued to the flesh of her uncle's cock. Her slit seemed to have gaped open, allowing the thick prick to rest against her interior slickness. Juice was leaking from her pussy hole, sopping the nylon of his shorts and anointing his erect cock. More of him seemed to be sticking out of his shorts now. Somehow she got one hand down to where their bodies met, and she seized a fistful of a cock that was bigger than she had ever really imagined cocks could be. Her uncle's prick was thick, swollen, capped by a humongous spongy knob, with a rapid pulse racing through the big distended vein that ran up the underside of him. Her fist tensed and squeezed, and a dribble of wetness oozed from him and leaked over her fingers. Not cum, she knew, just the watery stuff that came out of a cock while it was getting ready for the main event.

His mouth came off hers, with a wet slurping smack. She chased his lips with her tongue, licking all around them.

"What kind of crazy idea?" he repeated. "I hope it's not what it feels like."

"I don't feel frozen," she replied. "I don't feel the least bit chicken, either. Oh, Uncle Steve, you were right! I waited and waited, and it happened. I've got to have it right now! I've never been more ready!"

"I couldn't, Maria; I couldn't dream of fucking you…" His prick was hard as steel in her fist, and the knob was oozing another dribble of the watery pre-cum stuff. She sighed and moved her hand on his length. "You're a kid, my niece, my own sister's daughter, it would be like – almost like…"