Lorraine's pleasure

Marty panicked as his teenaged mother kissed him, but the smell of her perfume, and feel of her lithe body against his combined with her soft lips pushed the taboo to the back of his mind.

He found himself kissing her back, his hands roaming her body as they both let their passion take over.

She straddled him, her skirts pushed up around her waist grinding against his rigid member.

He groaned against her mouth, fumbling with her zipper he pulled it down pushing the fabric of her top and her strapless bra down to free her glorious breasts.

Breaking rhe kiss he took her nipple in his mouth sucking on the very nub that had fed him as a baby.

That thought brought a fresh wave of guilt as she freed his rod from his pants.

"I...wait, Lorraine we can't......."

"Shhhhhh" she laid a finger on his lips, "Just relax and enjoy it."

She lowered herself down easing him inside her until they were fully joined. She paused feeling comfortably full.

In the back of his mind he was screaming, 'That's you mother! You're fucking your mother! You sick fuck!" The rest of his mind had gone blank enjoying the warmth of her velvety folds and the pure pleasure on her face.

Then she began rocking her hips fucking herself with his cock. He reached up taking a breast in each hand he lightly ran his thumbs around her areola.

She moaned leaning down to kiss him increasing her pace.

Marty felt the pressure building in his balls, his mind still screaming at him 'You're fucking your mother' but now the guilt was missing and the thought seemed to be driving his lust.

She paused gripping him tightly and moaning loudly as her orgasm rolled through her. Her vise like grip on his cock pushed him over the edge and he painted her womb with his seed, holding her against him as they both came down.

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He was unsure of how long they laid there his half mast cock still lodged inside her, before she reluctantly started to get up.

"Mmmm, I could lay here all night but we would probably get in trouble. I suppose we should actually go into the dance."

Marty found himself conflicted, 'Oh my God I can't believe we did that', 'That was awesome', and 'Where the Hell is George?'

Thet straightened their clothes and he walked her to the building arm wrapped around her waist, her cuddling in to him.

They stepped through the doors, the alarm on his watch started beeping.

"What is that."

"Nothing, I am so sorry but I have to go."

"What?"

He cupped her face in his hand, "I can't really explain but i have to go. I'll never forget you." He kissed her passionately and rushed back out the door.

Jumping in the car he paused to look at the picture in which his siblings had been fading ever since he pushed his father out of the way and got hit by his grandfather.

'Ok good all four of us are intact. Wait, four?' He studied the picture his brother sister and himself looked the same as before but now there was another girl.

He shook his head forcing himself into action, 'I've only got one shot to get home,' and sped into the darkness.

Marty awoke the next morning fully clothed in his own bed. Looked around while he walked down the hall, everything seemed the same except there was an extra sibling in allof the photos.

He rushed to the shelf with the baby books, there were four now. He opened the first one.

'Katey Lorraine Mcfly, born August 15, 1956. About nine months after the dance. Holy shit, my mother had my baby!'