What Billy saw

"Ok. What is it?" Debby asked.
"Well you know the people in cabin 9?"
"The twins and the nice looking dad? yeah?"
"Well I was walking by and saw their dog out so I went to pet him. As I got close I Over heard something going on so I peaked inside."
Inside cabin 9
"Ohhh, Dad," she panted between kisses. "We're horny for you. Let us take care of you. You will, won't you?"
"I... I... if you really want to," Bill groaned.
"Oh, we do!" Karen cried.
Lisa squealed with excitement and climbed up onto his recliner. She stuck one foot to each side of him and untied her bikini bottom. It slipped on her pussy hair and fell onto his stomach, and then her juicy young pussy was staring him in the face.
"Jesus!" he groaned.
"Eat me," Lisa breathed hotly. She mashed her twat against his gaping mouth and twisted it there, getting him going. "Ohhh, Dad, suck my cunt. Push your tongue up me and I'll give you lots of juice to drink!"
Unable to resist, he grabbed her lithe young hips and probed his thick tongue up into her squishy little fuck-hole. He lost all sense of who these sex-hungry nymphs were, and let himself go.
The girls let themselves go, too. Lisa humped her cunt hornily, gasping and moaning as her dad's tongue licked up into her juicy pussy-hole.
Karen, dazed with overwhelming desire for her daddy's prick, tore her bikini completely off, top and bottom, and she climbed onto his lap. Clinging to her sister's hips for leverage, she screwed her squirmy twat down on his dick.
"Holy shit!" Bill groaned as he felt his baby girl's tight little cunt swallow every fucking inch of his raging cock.
Karen went wild on it. She crushed her aching tits against Lisa's ass and humped her pussy viciously. She bounced and jounced up and down, faster and faster, making her daddy's swollen cock-head fuck into her hot young cunt. As close as the poor man was to busting his nuts, young Karen got there ahead of him.
"Ohhh, Daddyyy!" she squealed. She shivered from head to toe and her clenching, sucking little twat flooded wetly and violently. She came even more violently when she felt her father's helpless cock explode in her heaving belly.
He shoved his rigid, thick cock up into her screwing cunt and pumped it full of thick, rich jism. His huge spurts of cock-cream were so good that he bit into Lisa's pussy in his excitement.
"Ohhh, bite me!" Lisa cried, loving it. She grabbed his ears and yanked hard, getting off on his sucking mouth.
The two sexy teenagers rippled and shuddered and writhed with orgasms, the one from her father's sucking mouth, the other from his fucking cock. When their dynamic climaxes ended, they clung to their father, kissing him tenderly. Lisa licked his mouth gently and expressed her deep love for him. Karen just whimpered a lot as she licked his huge, hairy balls and played with his limp, wet dick.
Bill was appropriately amazed. His eyes shone as he stared at his beautiful daughters and, when he got his breath back, he rasped, "I... I didn't know you two were so horny. Christ, I've been afraid to let you see me looking at you, afraid you'd run crying to Mother."
"Ohhh, Dad," Lisa cooed, "you're nice. We've been thinking about you, too."
"Mmmm," Karen moaned between his thighs. "I sit on the toilet a lot and finger-fuck my pussy just thinking about you doing wicked things to me."
"Jesus," he groaned, lost for words to express his surprise and delight at this turn of events. But he chuckled and said, "I hope you two know what you've let yourselves in for. If you think I'm going to be satisfied with this one time, you're crazy."
Karen climbed up into his free arm and curled up to him. "We're gonna have lots of fun with you from now on," she purred, stroking his meaty cock. "Aren't we Lisa?"