She giggles eagerly, and grins back at you, "Alright! I would be happy to do that!" Amanda says with a big grin, looking at you over her shoulder.
With that, you get handcuffed to your bed that night, in order to make sure you don't get wise and run off, and the next morning Amanda wakes you up with a little giggle. She has already forgotten the argument and is bubbling with happiness and excitement.
"Wake up, Brad!" she says, her cute face filling yours, hair all over you.
You rub your eyes and groan, then realize she's already gotten dressed in your favorite outfit of her: a white flowered dress
"rise and shine, sleepyhead," she calls out, then, un an impulse, leans over and smothers you between her breasts. You feel how ripe yet firm they are, and notice that her nipples are hardening under her top.
That gets you up.
Laughing, she pulls off your nightshirt and starts on your boxers and brought you to the kitchen. Still sleepy, and trying not to think too much, you then realize you didn't bring any other clothes with you. But it won't matter, you say to yourself...the only thinkg you'll be wearing today is frosting. And you shiver at the thought, partly out of fear and partly because the thought of it causes your member to stiffen.
The two of you head downstairs, where you see a couple large bowls of white frosting. Amanda smiles and stand on top of a small tarp.
"Brad, aren't you excited?! I get to put all this frosting on you first." Amanda looks at you, expectantly, as you gaze at the frosting. "Well? Aren't you going to put this away?" she said, then plunged her hands into the frosting as you glanced down at your naked body, your member starting to stiffen again at the site of your cute sister approaching you with her hands covered in frosting.
She rubs it over your chest, making your skin tingle in pleasure, and walks around to massage your shoulders, then your back, then your belly. The frosting is cold, but you enjoy the feeling of your sister's delicate female hands rubbing all over your body. She kneels down and works on your hips, butt, thighs, and shins, before pausing again. Your dick is sticking out, still uncovered by frosting, as are your hands, feet, and face. Amanda regards your genitals for a moment with a puzzled expression on her face, then very delicately reaches out and covers your penis and testicles with frosting. It is all you can do to keep from exploding into her face as her dainty fingers cover your shaft with sugar.
Finally, the frosting is done, and Amanda washes her hands.
Your mother comes in.
"Wow, Brad, you look great!"
You silently wonder at her taste.
"I mean it. Now, just head over to the table and lay down for a while. Amanda, your friends should be coming soon. Go stay in your room until they arrive. I'll come and get you when we're ready."
You obediently head to the table, also covered by a tarp, and lay flat on your back, your member slowly collapsing into the thick layer of frosting your sister so carefully applied to you.
The doorbell begins to ring a few minutes later, and soon you can hear the din of a dozen excited teenage girls crowding the hallway. You hear a lot of whispering, as well. A couple girls manage to find their way into the dining area, where they stop and gasp and point at you.
"Hi," you manage, with a smile.
"Brad?" one of them says. "Is...what's going on?"
"I'm Amanda's birthday cake," you say. "I guess this is her First Swallowing party too."
"Awwww..how sweet…I never heard a First Swallowing party through unbirth" another girl purrs, and comes up to you for a closer look.
"They missed a spot," another girl points out, and runs her hand over your chest to pick up some extra frosting to put on your forehead, cheeks, and hair.
Suddenly Amanda appears on the scene.
The girls immediately burst into a rousing rendition of "Happy Birthday," after which they all start clamoring for her to eat you up.
"C'mon, we want to see you do it!"
Amanda walks up to you and sat on the table, positioning her pussy on your toes, you feel your calves sink into her pussy, your toes poking into her cervix, and your feet are squeezed and massaged by her cervical muscles.
"Ready, bro?" she asks and flicking a strand of blonde hair out of her face. "Ready to slide into my womb and become one of my cells?" she asks, as her friends giggle. They all press around the table, staring at you. At the site of so many pretty faces, sexy figures, and buxom chests, your member stands up again like a pole, while the girls giggle again.
"Let's get it over with, Amanda," you groan. Your mom has reentered the room with her video camera. "Come Amanda, yay!!!"
Without another word, Amanda proceeds to clench her muscles and these muscles, doing their natural job of conveying the baby to the womb, start to help pull you in, and you start to move faster into Amanda's womb, sliding across the table inch by inch. Amanda gaps and much enjoying the feeling of having her pussy stretched unnaturally wide for the first time. Her cervix opens up and before you realise it, your entire legs have been curling up in your sister's womb, and you love it.
Some of her friends clap and giggle as Amanda slides them in and clenches, pulling you closer to her as she sucks your tummy in. In fact, you can hear her panting as her perky pussy continues to pull you inside. This feels way better than you thought. Maybe being Amanda's cell won't suck as much as digestion either. You accept your fate and now that you're more relaxed you can feel yourself even more aroused. Amanda notices this too and responds with a giggle. One of her friends comes around the table and press your head right in her cleavage.
"Enjoy your last ride, boy" she whispers, squeezing your breasts and laughing as your belly blissfully disappears into your sister's eager pussy.
Amanda's only reaction is a loud
MMMMooooooaaaannn!!!!
You remember what they said about female pheromones and the way they could arouse the future male baby, preventing them in many cases from even wanting to escape, as a umbilical cord grows to attaches on your belly.
You think about this as your desire becomes more and more strong to feel Amanda pull your chest, arms, and head and absorb you into her.
But you are unable to resist as she begins to absorb your chest, and her pussy lips rub over your nipples. Amanda has lifted her off the table now, hanging you upside down and letting you slide slowly in front of the camera under her, up into her body. You look up and can see her breasts riding on top of her stomach underneath them, and the big bulge that represents your hips and legs curling up inside her. You quickly start to slide up as your shoulders and neck are engulfed by her warm wetness, and you almost want to explode again.
Mom kneels over and gives you a goodbye kiss, licking your face before Amanda's pussy claim it.
You enjoy the feeling of your face sliding down her cervix and into her womb as she finishes off your arms and closes her pussy lips over you.
You settle down into her womb, relaxing in a fetal position, as the jostling causes your sister to let out a loud, final, and definitive MOOOOOOOAAAAAANNNN!!!
You hear applause and cheering from outside, and almost immediately start to feel the hands of girls prodding and feeling Amanda's belly.
"Oh, that was SO sexy, Amanda."
You shift around a bit.
GLOP, GLURGLE, BROP.
"Look, he's still wriggling!"
"Man, you certainly know how to eat a cake."
GRRRRROOOOG.
"Now those boys at school have better watch out!"
"He looked like he was actually enjoying it! Oh booyysss..."
You hear your mother's voice.
"I'm so proud of you, Amanda. And I'm sure you will enjoy knowing your brother will be absorbed into your body, instead of someone else's. I'm so glad he's staying in the family."
You feel Amanda pulling her panties and skirt on, and then she speaks.
"Oh, Mom, he was...he feel sooo ...ahhh... good! But what happens next?"
You hear your mother's voice through Amanda's warm, tight skin.
"Well, you absorb him, silly dear. How long will it take? Judging from some experience is making I wouldn't be surprised if you finish up by this evening. Would you like to spend some time alone upstairs?"
Amanda pats you through her tummy. Your shaft is still tall and throbbing, and the warm feel of your cute sister's pheromones keeps you aroused and comfortable.
"Yeah, I think he would like that," she says. You feel touched that she is still thinking of you, crawling in her intestines.
"Dear, you've got to understand that once you eat something, it's just food, okay? Run along upstairs and enjoy yourself, but remember that. Once anything goes down your body that you intend to eat, don't get all sentimental about it, okay?"
"All right, Mom," she says, but gives you a reassuring rub as she begins to waddle up the stairs to her room as her friends cheer.
You slosh inside your sister’s intestines as she struggles up the stairs and reaches her room, closing the door and collapsing down onto her bed.
"Brad, that was so awesome!! I am so glad you are my brother, never mind what my mom says about being food. I love you." Amanda says, rubbing you over and filling your naked body with bliss while you filled her womb.
You both are silent for a while, as you enjoy the sensation of Amanda's rubbing and her womb squeezing you as you totter on the edge of another orgasm. Amanda gently shifts her belly between her legs and discreetly pleasures herself until she suddenly succeeds in reaching a climax, causing muscles all over her little body to clench and shudder and triggering you to explode all over your own face, already sticky in amniotic fluid.
Amanda lets out a long, ragged sigh as she regains her breath and you relax, even as your member starts to inflate all over again.
"It is a shame that we can't do this again, isn't it?" she says, missing the irony that you are her brother.