Casey broke off their wet kiss and pulled off her top, exposing her two delectable handfuls, each capped in small pink areolas with meager jutting nipples. Alex grasped each in his palms, caressing and kneading her soft tender flesh while she purred and cooed, her eyes focused between his legs where she continued caressing his throbbing length. She inches forward, lifting her legs over his knees and moving her arms up to grasp his shoulders. Alex wrapped her flushed body in an embrace and pulled her into his lap.
Casey squealed at Alex’s forceful movements. She planted her feet on the ground and lifted slightly while pulling her skirt up, freeing it from between their bodies. When she sat back down, his rigid length pressed against her clit, parting her wetness and sending shocks of delight through her petite frame.
Alex leaned in and took her pointed nipples into his mouth, suckling and licking the bumpy texture of her hard pink caps, indiscriminately switching sides at his leisure. Casey mewled and threaded her small hands through his hair, dropping her head back and moaning into the treetops. She ground her wetness into his lap, sliding back and forth along his hard shaft and coating his length with her slippery fluids. Cries of passion echoed through the forest as the siblings rocked together atop the fallen tree.
Casey placed her palms on Alex’s chest and applied gentle pressure, urging him to lie back. He complied, slowly lowering himself down the log and shifting his weight to balance across its curved surface. Casey stood over him, legs astride the fallen pine, dressed only in a short pleated skirt that hid their throbbing sexes. She squatted down and felt his tip slip between her lips. Adjusting her hips she brought her brother to her eager entrance and slowly dropped down. A low moan shook her chest as Alex’s turgid cock plunged into her sizzling depths.
Alex reached his arms down and grasped the log for balance while lifting his legs and bringing his heels to rest atop the rough barky surface. He held on while Casey squatted over his lap, her skirt tickling his bare skin as she slowly raised and lowered her body, reveling in the sensual sensations of their union. Her tight rippling tunnel sucked and pulled at him each time she lifted while he lay perfectly still, intent only on holding his precarious prone position atop his rounded perch.
Casey heaved and panted, her breasts jostling erratically as she increased her pace, hopping and bouncing, forcing Alex’s girth deeper and deeper into her shallow pussy. She urged her body to accept him, each time driving him a little farther until she could finally come to rest, seated with her full weight bearing down on his lap.
“Oh, Case,” Alex said, reaching up and pulling her into his arms, their lips meeting and tongues entwining. He sent throbbing jolts into her, clenching his core and augmenting his movements with his gift. She broke their wet embrace and groaned in his ear, sending her hot breath coursing over his neck. Alex felt her tighten, clamping her rippling walls around his shaft in response. They played together for several minutes; pulsing, fluttering, and dancing in the most intimate of ways.
Casey was soon driven past the point of need and rose up, placing her palms on his chest and quickly resuming her frantic rhythm. She drove down against Alex, his body flat under her with no cushion underneath. Straddling the log behind his back she pounded against her brother, hearing his groans and watching his face twist into a mask of unbridled intensity. His eyes snapped open, staring up at her heaving chest as her pert breasts in short arcs, his arms still clenched around the trunk upon which he lay. She swallowed his length again and again, grunting and squealing as he filled her to the brim, wet slaps ringing out into the dark forest.
Alex couldn’t hold back, his gift be damned, he clenched and then lifted, crying out as his cock jumped and erupted, squeezing a heavy burst into his sister’s tight hot pussy. Casey collapsed atop him, howling in release and wrapping herself around his throbbing body and the log he lay upon. She clenched, convulsing around the thickness buried deep inside and moaned between each of his spasms as they sent pulse after pulse of his seed into her womb.
“Oh my god,” Casey gasped, looking up over Alex towards the beach. She dipped down, burying her head into his chest as if caught by surprise.
Alex continued to throb inside his sister. “What is it?” he asked breathlessly.
“Someone was watching,” she said, her body clenching as she began laughing in disbelief.
“Who?” he asked.
“I don’t know, I didn’t recognize her.” Casey didn’t dare to show her face, knowing the interloper saw and probably heard exactly what they’d just done.
Alex laughed, joining his sister in embarrassed mirth as they lay covered in sweat and satisfied beyond measure amongst the towering trees of the forest. Casey stayed draped over his body until he felt his back start to cramp.
“I have to get up,” he said. Casey lifted, checking the clearing for signs of uninvited guests before rising fully upright. Alex followed, holding her narrow waist as he bent forward and sat straight with his sister in his lap. He leaned in and kissed her tenderly, holding their wet embrace until he felt himself soften and slide out of her slippery sex. A gush of fluids followed, coating his softened shaft and oozing down onto his shorts that lay draped across the fallen tree.
“Oops,” Casey said, feeling but unable to see the mess they’d made through her pleated skirt.
Alex chuckled, “My fault, sweetness. I could have left you alone out here.”
Casey frowned and said, “All I want is to be with you.”
“Oh, love,” he replied. “I know. I didn’t mean it that way. Why do think I came looking for you? I had to say thanks for all your hard work. This is going to be an amazing weekend.”
“Good. And you’re welcome. I have plenty more surprises in store.”
“I can’t wait,” Alex said, smiling and patting his sister’s bare bottom under her skirt. “Let’s go for a swim. I’m hot!”
Casey nodded and stepped off her perch, reaching for her top and giving Alex space to stand and pull on his stained shorts. A pile of cum covered their front and he did his best to wipe it clean, only making the situation worse. “Good thing I brought extras,” he said, looking down his front at the huge wet smear covering his crotch.
“Something tells me you might not need them,” Casey said with a smirk. “Go get changed into a swimsuit. And make it a good one.” She slapped his butt as he turned to walk back to camp.
Alex smiled to himself. Again, more than happy to let Casey take charge. It seemed she had plans, and he gladly resigned himself to play along.
The siblings stepped back into the sun and parted ways, Alex heading for his tent to change and Casey to the other. He selected his tight white threadbare speedo from his duffel and pulled it on after tossing his stained shorts to the side. He stripped off his t-shirt and stepped back outside into the fresh air. The sun was unrelenting, even late in the day. The sandy shore radiated with heat as he sprinted down to the water and dove in once he hit knee depth. The other girls were a ways to his left, but he ignored them, thinking only of cooling his core.
The wash of cold was welcome relief. Alex turned to his back and stroked his long arms, moving farther out into the crystal clear waters of the alpine lake. He floated alone for a moment, reveling in the frigid bath and rinsing off his sweat-soaked skin. Turning to his front, Alex swam in a large circle, unused to the freedom of a pool without walls. He swam without abandon, diving and twisting, changing strokes and altering his course at will. After several minutes, he looked up and found that he’d crossed to the far side. Spotting the creek that filled the lake, he swam to the boulder-strewn bank and felt the water temperature dip a few blissful degrees. Hauling himself up into a rocky perch, he turned and sat, looking back at the campsite. He slipped down into the creek and felt the icy glacier-fed waters cool his heated body.
Five bobbing heads we’re barely visible across the clear lake. His view of the campsite was blocked by several large rocks, but he could see the girls swimming and watched as they came together and then broke up, splashing in the water, slowly treading toward him. Alex smiled and glanced around the shore. He saw movement at the campsite adjacent as two feminine figures stood and hoisted a tent to life. One girl was full-figured and the other slight. He watched as she followed the instructions of her larger companion, piling gear into their newly-erected tent.
Alex’s attention shifted back to the lake, the girls were spread out in a line, unmistakably pointed in his direction. Lily appeared to be in the lead, her blonde hair dipping and diving under the water as she splashed, kicking up a column of white spray in her wake. Short-haired sam was close behind with the younger girls trailing farther back. Casey and Brittany took up the rear and stopped once it became clear they weren’t going to win the race. Sonya gave up shortly after and turned back, she was five lengths behind Sam and Lily who were moments from reaching Alex.
Both girls lifted from the water at the same moment, clambering up the boulder-strewn hillside in their bikinis to join Alex. “I won!” Sam said triumphantly as she reached out a hand and touched Alex’s knee. She was panting, as was Lily standing to her side. His sister’s magnificent chest heaved as drops of water rolled down her flawless skin, sliding into her cleavage and disappearing from sight. She stood with her hands on her broad hips and bent down while taking heavy breaths, her chest falling and threatening to pop free from her top.
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