Unlike my previous submissions this is a brand new story. It is the second part to Stranded Siblings and I look forward to turning it into a whole series. I appreciate your comments and ratings.
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As day broke and the bright tropical sun began to shine through his eyelids, Jack woke up to find himself still entangled with his sister Kelsey. As he laid there facing his sleeping sister, he felt both joy and fear as he recalled the memories of what happened the previous night. He knew something had changed between them and now all he felt was more than familial love for his sister. He hoped the feeling would be mutual, since he couldn’t bear to lose her. However when Kelsey began to stir, Jack’s fears subsided as she stared into his eyes and smiled beautifully, her nose slightly crinkling. As they held each other in their arms with their legs intertwined Jack brushed away a few strands of blonde hair from his sister’s face as she said,

“Morning big brother…. God last night was amazing.” Propping her head up with her hand she continued, “I hope you don’t have any regrets because I would do it again in a heartbeat.”

“I’m glad you feel that way sis… I have no regrets about what we did. Though what happens if we get rescued? How could we ever go back to society?”

Kelsey wrapped her hand around the back of his head, running her finger tips through his hair as she pressed her lips against his for a passionate kiss. Breaking the kiss Kelsey cried out,

“You feel that? Fuck society bro! It’s you and me now… and I don’t want things to go back to the way they were ever again.”

Her sweet and soft lips caressed his own as he ran his hand down her hip to the smooth skin of her thigh. Kelsey moaned into his mouth as he slipped his tongue into her mouth and caressed her tight and shapely ass. As her breasts pressed into his chest and she expertly grinded her hips against him, his cock began to swell and press into her tight and flat stomach.

Breaking the kiss, Kelsey smiled as she gently pushed him on his back on the towel and began grind her body against his cock as she kissed her way down his body. Jack groaned as his sister grasped his hard cock and began to slowly stoke it as her other hand gently caressed his balls. Giving his cockhead a few loving kisses, Kelsey moaned,

“Mmmm such a nice cock big bro… Last night this was inside me… now I can’t wait to taste it.”

Jack moaned as his sister began to suck on the head of his cock and thrust her tongue into his slit. He ran his hands through her soft blonde hair as it tickled his thighs. With each downward motion Kelsey took more and more of his throbbing shaft into her mouth, wrapping her lips tightly around him. He was amazed at how skilled she was. She brought her lips all the way up to the tip, sucking so hard his blood pooled slightly at the tip before taking his entire length back into her throat. Her hands rubbed his thighs, hips, chest, and balls as she continued to suck him. All Jack could do was lay back on the beach towel and enjoy. Shutting his eyes, he noticed that the sound of his sister’s slurping began to drown out the noise of the crashing waves on the beach.

As his sister continued her skillful ministrations, Jack was surprised at how fast he was approaching his orgasm. Perhaps it was due to being pent up for a month. Lightly gripping her shoulder and pressing down on her bobbing head, Jack cried out,

“Oh god Kels! That feels so damn good! I’m gonna cum real soon!”

Raising her head off his cock with a loud pop, she giggled as it throbbed so hard it slapped her in the chin. Kelsey stared into his eyes as she cried out, “Well duh that’s kind of the point! Go ahead and cum big bro! I can’t wait to taste your hot cum!”

Kelsey wrapped her hand around the base of Jack’s cock and began to suck him hard right as his orgasm hit. Jack groaned with pleasure that was bordering on pain as he shot a massive load of cum into his sister’s mouth. Kelsey never missed a beat, slowly running her lips up and down the top half of his cock throughout his orgasm, catching every last drop of cum. Jack lost count of how many times he came in his sister’s mouth but he could tell it was a massive load.

As his cock softened, Kelsey slowly brought her mouth off his cock, trapping his hot load inside her mouth. Letting out a soft moan, she rolled his massive load around her mouth, taking in the taste just before she swallowed it down. Grinning deviously, Kelsey groaned,

“God big brother, your cum tastes so damn delicious… Probably all the fruit you’ve been eating! I bet you can’t wait to taste mine…”

After kissing her way back up his body, they held each other tightly as their lips came together for another passionate kiss. Jack flipped his sister on her back and she let out a few soft moans as he lightly ground his pelvis into her sopping wet pussy and cupped her soft breasts. After what seemed like an hour, Jack broke the kiss and she moaned with delight as he slowly kissed down her neck and left a trail of kisses down her body, pausing between her tits. He took each nipple into his mouth, lightly sucking them before kissing down her soft stomach. As she raised her legs up and spread her thighs, Jack hooked his arms under her legs and paused, staring at her dripping wet cunt.

Unlike some men, Jack loved the taste of a nice wet cunt and he had a feeling his sister would be no different. Kelsey softly moaned as Jack kissed down the inside of both of her thighs, from her knees down to a millimeter from her pussy. She let out a few soft moans as he ran the tip of his tongue up and down both of her lips. As she slowly and gently began thrusting her pussy into his face, Kelsey cried out,

“Oh god big bro! I can’t take it anymore! Eat your sister’s pussy and make me cum!”

Jack happily ran his tongue between his sister’s pussy lips, occasionally thrusting his tongue deep inside her and teasing her clit. Kelsey screamed with pleasure as she gripped her brother’s head between her knees and ran her one of her hands through his hair, the other massaging one of her breasts and pinching her hard nipple.

Jack continued to please his sister with his tongue and eventually his fingers, thrusting them inside her pussy as he mercilessly licked and sucked her clit. As she quickly approached her orgasm, she squeezed his head tighter with her knees and let out a few squeals of ecstasy before she cried out,

“Oh shit big bro! Don’t stop! Feels so fucking good! Oh gawd little more ahhhhh I’m gonna cum!!!”

Jack attacked his sister’s pussy throughout her powerful orgasm as her cum poured all over his face. Her cum tasted sweet and the sound of her powerful orgasm was quickly hardening his cock. He smiled a little bit as he assumed he would have to take care of that later, but little did he know his sister’s orgasm only made her hunger for more. As her brother kissed his way back up her shuddering body, Kelsey could feel his hard cock pressing into her thigh. Jack noticed her breathing quicken and her heart beat faster in anticipation of feeling his hard cock slide into her.

After sharing a long and sensual kiss, Jack looked deep into his sister’s eyes as his cock head brushed against the lips of her soaking wet pussy. Kelsey began to caress his muscular back with one hand and gently tug on the base of his cock with the other as she spread her legs and hooked her feet over his calves. Her eyes locked onto his and her pussy dripping in anticipation Kelsey cried out,

“Fuck me bro! Thrust your hard cock inside me and make me scream!”

As Kelsey slowly ran his cock head up and down her weeping slit, she bit her bottom lip and looked at him with pleading eyes before he thrust his cockhead into her cunt. Their faces contorted with pleasure as Jack slowly pushed his cock inside his sister’s tight and hot pussy until he bottomed out.

“Oh god Jack! I love you so much!” Kelsey cried out before she wrapped her arms around his neck and kissed him lovingly. Their tongues explored each other’s mouths as Jack began to slowly thrust his cock back and forth inside her. Their eyes were full of lust as Jack pulled out his cock so only the tip was inside her before thrusting back into his sister, their moans of pleasure only growing louder as they enjoyed the feeling of their forbidden union. Breaking the kiss, Kelsey cried out

"Ooooo god yes Jack.... this feels fucking amazing!"

Jack groaned in reply as he thrust into her, "Ooohhhh god Kelsey... you feel so tight… I can’t hold back much longer… You close?" he grunted.

As Jack began to fuck her harder and faster, Kelsey cried out, "YES OH GOD YES! I’m almost there! Cum with me big bro! Fill my pussy with your hot cum!"

She held her brother tighter in her arms as she ground her hips against him in tune with his thrusts. They were now both covered in sweat as they made love on the beach of their tropical island. The siblings became one as they took pleasure in their forbidden union, caring only about each other’s release.

As Jack felt her squeezing his cock with her pussy he knew she was close to her orgasm. Their foreheads met and their identical blue eyes locked on each other as she wrapped her arms and legs tightly around him and ground her hips into his throbbing cock.

"Oh shit Kels! I'm gonna cum!" Jack groaned.

"Kiss me Jack! Fill me with your hot cum! Oh gawwddd I never thought we would cum together!" Kelsey cried out as her face contorted with pleasure.

Their simultaneous cries of release were followed by the most intense orgasms of their lives. Jack never broke eye contact with his sister as he somehow filled her pussy with an even larger load of cum than earlier. Kelsey’s orgasm only intensified as she felt rope after rope of his hot jizz splashing against the walls of her pussy and cervix, filling her with his seed. After their orgasms subsided, Jack lay atop his sister’s warm body kissing her neck and shoulder before sharing a long and romantic kiss.

As his cock softened and fell from her thoroughly fucked pussy, Jack rolled off his sister and they lay on their side facing each other. As they kissed and stroked each other in the afterglow of their sexual union, Kelsey smiled and said,

“Wow big bro, never knew the guy who cut the heads off my Barbie dolls as a kid would give me the best orgasms ever!”

Laughing, Jeff replied, “Yeah well I never thought the former uptight cheerleader that used to make me sit through those stupid Disney movies would turn into such a nymph. God that was amazing.”

Her hand gently stroking my back she abruptly said, “I meant what I said you know… no matter what happens there’s no going back. That was the most amazing sex I have ever had. I felt such a connection with you.”

Nodding in agreement as he caressed her shoulder, Jeff replied, “I know what you mean, like hell I would ever give you up. Ever since we were kids I always loved you and now that love means so much more.”

Snuggling up to her brother as she stared out towards the ocean she said softly “You know a part of me hopes were never found you know? This is place is amazing and so romantic. But I miss our parents and our lives back home. What are we going to tell them Jack?”

Looking down towards the ground she traced a design in the sand with her finger as she continued, “You know Jack you came inside me twice now. What if I get pregnant? How can I give birth on the island?”

Cupping her chin, he brought her face back up to his own. Their eyes locked as Jack replied, “I don’t know all the answers Kelsey but we have to think of something. We can’t stay here forever and sooner or later we will have to explain ourselves. Just know that I love you and that’s all that matters. Together we can get through anything.”

Smiling wide, Kelsey rested her head against his chest and stroked his stomach as she replied, “Thanks big bro I always knew I could count on you. You always made me so happy.”

They both shared a long, passionate, and loving kiss before they both stared out at the ocean, holding each other in their arms. Like the vast blue waters of the pacific their future was uncertain but they had each other and that’s all that mattered to them. Jack’s euphoria suddenly faded however as he saw a dot on the horizon approaching their island.

To be continued…