Mark continued to watch his neighbors looking for good jack off material, and it did not take too long. He had been watching a house where a couple of cute teenage girls lived. They were about eighteen and twenty, and had nice big firm tits, with tight asses. He had hoped to see them naked, or maybe even masturbating. When he crept up their window they had just entered the room from shopping. He heard the older girl, a tall girl with dark hair, and massive boobs say, “I hope that these new swim suits fit.”
Her sister replied, “I am sure they will, unless your boobs have grown too much.”
“You just wish that you could keep up”, the older girl taunted back.
The older girl took off her T-shirt revealing her perfect knockers stuffed into a low cut white bra. Mark’s cock grew hard when she unsnapped her bra reveling her dark nipples and aureole. She snapped the bikini top on over her tits, and then stepped out of her pants and underwear to pull on the bottoms. The skimpy bikini barely fit over her huge tits. Her sister had taken off her shirt and bra, and Mark pumped his erection as he looked at her firm breast with pert pink nipples.
The older girl was looking at her self in the mirror, and said, “I wonder what this will look like when my nipples are erect?” With that she reached up and pulled and rubbed her nipples through the thin fabric of the bikini top, causing her nipples to swell to erection. “You want to make sure that your nipples don’t show too much”, she explained to her little sister.
“Well yours are poking out pretty good”, her younger sister commented. Mine barely poke out at all. The younger girl had been rubbing and pulling her nipples, and they swelled, but not nearly as much as her older sister’s did.
“Yeah, they are pretty big, aren’t they”, the older girl replied. “You should see how big they get when I cum” The girl continued to rub her fat nipples, and Mark could see a wet spot form on the bottom of her bikini as her twat lubricated. She said, “Well I guess I’ll have to keep this suit now.” as she reached down and began to rub her clit through the slick fabric of the suit. She began to hump her hips as she stroked her pussy. She bunched up the fabric of the suit and slid it inside of her pussy lips so it would rub against her clit.
“I am so horny that I have to cum”, she moaned to her sister as she worked the slick fabric up and down her pussy, rubbing it against her clit. “Cum with me”, she told her sister. “Let me see you pet your monkey.”
With that the younger girl put her hand down the front of her panties and began to masturbate. Mark could see her work her fingers against her clit, and her nipples hardened thought the thin fabric of the girl’s bikini top. She reached up and pinched and pulled her stiffening pink nipples, pulling her bikini top off to reveal them.
The older girl had pull her tits out of the bikini top also and her dark nipples had swelled impressively. She was panting with excitment as she rubbed her clit. She reached up and pulled and twisted her engorged, dark nipples, urging herself to climax. Her little sister was not far behind, and she had pulled down her panties and lay back on the bed poking one finger into her tight twat, while rubbing her clit with the other. The older girl was urging her to cum. “That’s it little sister pet your monkey for me, let me see you squirt some cunt juice.”
The younger girl reached climax quickly, her back arching, as she pressed down hard on her clit, prolonging her orgasm. Her pink pussy shone with wetness as she humped her hips against her hand. As she spasmed in orgasm her cunt squirted her cunt juice down her leg.
The older sister at last reached orgasm watching her sister cum, she reached up to pull and pluck her big, dark nipples with one hand while her other hand manipulated her rigid clitoris bringing her to an intense orgasm.
Mark shot his wad as he watched the girls’ finger fuck their twats. He rubbed his balls and pumped his sperm onto the side of their house as he listened to the two girls moaning and gasping in orgasm. The girls were not through however, and the younger girl gasped, “I need to cum again, come lick my pussy”.
Her sister wasted no time putting her tongue to the soft, wet pussy of the younger girl. Mark could see her run her tongue over the younger girl’s stiff clit, and suck it like a little cock. She began to poke her finger into her sister’s tight fuck hole, and soon the younger girl was humping her hips to meet the thrusting finger of her sister. Her stiff pink nipples were fully erect, and the younger girl plucked and pulled them as she arched her back in orgasm.
They quickly switched positions, and the younger girl began to give head to her sister. The older girl’s dark nipples were hugely engorged as she twisted and pulled them. Her little sister was working her clit over with her mouth, and had stuffed three fingers into the older girl’s pussy. She humped her sister’s fingers and quickly reached orgasm. Mark blew his load watching her pull her distended teats while she climaxed.
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