Natalie's Surprize Boat Part 5

Note : This story is completely fictional!

Natalie spread out a towel and laid down on it resting her head in her arms. Spreading her legs, letting them see all of her sexuality, she simply said, "Okay honey, if you still think you can go ahead."
Mark stepped forward towards his mother and knelt between her
spread legs. He watched as his sister and her friend went on either
side of her. As they began to overwhelm Natalie's breasts, causing her nipples to greet their eager tongues, Mark suggested a rather bawdy idea. He was sure that it would excite all three of them and
heighten his pleasure as well. Tapping their arms he asked them to
stop while he made his suggestion. "How about if you straddle her legs as well?"
"Yeah, okay, but why?" Kim asked while Tammy and Natalie looked at him in puzzlement.
"Well, not only will I make you come," he swiped a hand against her exposure, "but I'll make them come as well." Just to make his point he swiped his hands against their bushes as well.
"Oooh," Natalie squealed at the mere thought of it, "now that
would be something."
"Sure would be," interjected Kim, "since I already did."
"You sure did, Kim," Tammy chided, "and it was a pleasure to
watch." Reaching over Natalie she patted her shoulder and added,
"Imagine, Kimmy got all tingly convulsy."
"Sure I did, Tammy," she replied, "it was so pleasureable."
"Yeah, maybe it was," Tammy giggled, "but I sure would not get all
that horney." Thinking a moment she continued, "It was just plain
gross is what it was, Kim."
"Well, I'm sorry if my orgasm offended you,Tammy."
"Now now, girls, lets not get testy about it." Natalie sat up and
looked right at Tammy. "You mean you don't get horney?"
"Sometimes maybe," she answered rather sheepishly, "but I sure would not go all to pieces like she did."
Mark tapped her shoulder and made mention of her denial. "Wanna
prove it, Tammy? I bet you get hornier than my sister did."
"I would not," Tammy replied looking straight at him.
"One more suggestion," Mark pleaded for the pleasure of seeing it,
"is that my mom plays with your titties." He again bent closer to his
mother's bush. Just before he started lick it he made sure that Kim
and Tammy were close enough to him.
"Mark, I got one concern," Natalie pointed out, "and that being they may be too tight for that. And it might cause them pain."
"Oh, mom," Kim blushed, "it'll be okay."
"Well, sweetie, I'd rather you enjoyed it." Natalie got up and
instructed her daughter to lay down on the towel. "Now, let doctor
Evans make sure." She had Kim spread her legs wide having Mark hold
one while having Tammy hold the other one.
"Mom, whatya gonna do?"
Lightly slapping her daughter's vaginal mound, causing a little cry of pain, Natalie answered bluntly, "I am going to check your vagina, Kim."
"Oooh," Tammy cooed, "that sounds exciting."
"Easy for you to say, Tammy," Natalie declared glaring right into her eyes, "cause you're next." 
Natalie probbed against her daughter slowly fingering her vaginal lips. Lingering for a few seconds, stroking her lips, she gently inserted a finger causing Kim to squirm. "Sweetie," she rebuked,
"don't tense up cause I don't want to hurt you." Inserting her finger deeper she felt her tightness and her daughter's hymen. "Oh
oh," Natalie remarked, and thinking a moment to figure out a way to
break her cherry she finally suggested, "Tammy, why don't you give Kim
a real passionate kiss."
"Why, whatya gonna do, Natalie?"
"I got to take her cherry, Tammy and I don't want her to scream
at the pain."
As Tammy planted a kiss on her lips, passionately pushing her tongue through, Natalie pushed through the restricting membrane. She couldn't help but see the tears welling in her daughter's eyes and
apologized, "Sorry sweetie but I had to do it."
"Oh, mom, it hurt so bad," Kim lamented.
"Yeah I know sweetie," Natalie comforted by massaging her groin.
Looking at Tammy she said, "Your turn now, honey."
Tammy took her place on the towel and spread her legs wide exposing her bare sexaulity. "Be really fast and maybe I won't feel
it."
"Tammy, I guarantee you will feel it," Natalie tried to soothe her
anxiety. "Very well, here goes." She massaged her lips and jammed
a finger inward. Methodically she massaged the black bush while she
pushed deeper.
Tammy tensed as she felt the pressure against the membrane and
screamed in pain as Natalie's finger punched through. "Oh god, that
hurt."
"I told you it would, Tammy," Natalie comforted by rubbing the
black thatch. Without flinching she reached down and picked up the
edge of the towel. Carefully she wiped the trickle of blood from
her vaginal lips. Assisting Tammy to get up she laid back down as
she had before. "Okay, lets do this." As Mark assumed his position, as did Tammy and Kimberly, she cautioned, "Sweety, be careful." Not wincing words she added, "Their cunts are really tight."
"Hey here's a wild thought," Tammy suggested, "lets see what happens if I do this." She reached over and grabbed the erecting penis and began to stroke it. 
As Mark smiled at her he glanced his tongue off his mother's blonde bush sliding it against her slit. Gently he inserted fingers into his sister and Tammy pumping slowly. Glancing upward, for a breather, he observed his sister and Tammy probbing her breasts with
their tongues. He was surprized when he felt a hand begin to fondle
his balls and, looking to his left, saw Kim's hand extended towards them.
Mark had never thought, dreamed about it though, he would get to
see his mother, his sister, and her best friend in their birthday suits. And, even in his wildest dreams, he never thought he would
actually be doing what he was doing now.
Natalie began to fondle their breasts, causing their nipples to
poke out hard, and, even though it was hard for her to admit, she enjoyed the feeling of their small soft breasts.
In not too long a time there was heavy panting filling the air.
Natalie thought it would never happen but she was actually getting
aroused by his tongue as it probbed within her and she could hear her own breathing, her heavy panting breaths, as she heard the other three
as well. She also was mindful of their tongues on her nipples sucking them up to full hardness.
Soon after that shortened breaths filled the area and Natalie cried ecstatically spurting her cum into his face. Not long after, though surprized that she did, Kim hyperventilated and, in convulsing throes, wet his hand with her dripping wet cum. Tammy now began to
convulse, in fits of ecstatic violent throes of pleasure, and came in
a torrent of cum.
Feeling his penis begin to throb, hearing his halted breaths, Tammy
shoved him closer to Natalie and, touching the exposed lips with his
penis, slipped it in a little just as he sprewed his sticky cum.
"Oh my, oh my," Natalie sighed as she felt the hot liquid stream into her.
Fondling his balls Kim could feel how they tightened up as he panted letting his cum spurt out.