Chapter 10
by
Nailedit472
What's next?
You have breakfast
You proceed to dry yourself paying attention to nip and examine every part of your sister's body; even if you lost the count of how many times you've already done so, the feedback you get is still new and intoxicating as you always want more. Thus you spend a little too much time "cleaning" on your towel.

Focusing back on getting ready, you grab the clothes that you distractedly chose earlier, a white camisole and denim shorts, and you put them on. You then dry your hair using Kim's, now yours, brush and the blow dryer and, althought you never had long hair, your movement feel natural to you; even your clothes are something your sister could normally wear. Looking at the mirror, if wasn't for being brunette, you couldn't find a significant difference with the old Kim. Well, apart for the nipples pointing out.
"Maybe I can access her mannerism,even her memories! I should try but... for now I want the new Kim to be in charge." So you finally exit the bathroom and go downstair. Just before entering the living room, however, you freeze. You are going to pretend to be your sister in front of the rest of your family: your mom, your dad, your old body too! Compared to this what you have done until now it's nothing. This is heavy, this is really stealing your sister's life. Could you really do it? Will you be able to do it?
Gulping you open the door. Tina is sitting at the table and she turns to you smiling candidly; she is a bit more provocative than usual, wearing a red thight t-shirt and light blue shorts. Then you see Tom, you, across the table typing on the phone; he first he gives you a quick disinteressed glance, then he stares at you astonished: -Your hair!-.
-What's with her hair?- Your mother's plain voice chirps as she emergers from the kitchen. She's still the woman you know: a middle age blond woman, modest but aware of her beauty, and the sweetest person you know; she's almost friend to you, but unfortunately she's too stunning to leave you indifferent.

-Kim!- She exclaims shocked: -What have you done to your hair?-.
-Oh come on mum, I found her sexy!- Tina says, leaving both your mom and Tom (and actually you too) dumbfounded.
-I uhm, I wanted to try something different. I feel like a new person today.- You answer, hiding your excitement of the last sentence. Your mom abandons her astonished expression to give you a warm smile: -I see, a young lady like you must affirm her identity far from her old mother. Fair is fair. I just hope your dad will not get angry when he'll be back.- So it's another Sunday-working, huh? Maybe it's for the better.
-Don't be like that mum, I'm proud to be so like you!- Tina objects, whom Mom laughs embarassed: -My my, these daughters of mine! Thank you Tina, you really are a cute girl if I'm not being vain. I know you don't want to talk about it, but I was your age when I met your father, why don't you find a good guy like him? I'm sure there are plenty of them just waiting for your gaze.-. Tina would normally grumble and change the argument, instead she coughs for effect.
-Well, you know, I never found out the right one. But who can say it? Thing may change soon...- You're the only one who notices her snigger. After that, Tina stands up quoting: -Sis, may I talk to you for a second?-.
For a moment you're confused as to why she's talking to you, but then you get back: -Sure.-.
-Ok but be quick, it's almost ready!- Your mom tells you. Tina drags you outside the room and looks at you with a very unlady-like sneer, dropping her act: -Had your fun?-.
-Of course.- You reply, then she jumps on you and press her lips on yours. She smells a rose aroma and she tastes like a gummy candy. The forbiddness of this moment makes you kiss back and grope her ass, as she embraces your back and keeps going for a few seconds.
-Oh, I've always wanted to do it.- She says hornied. You did too: -However you need to see this.- she slips a hand into her neckline and she takes out a jar of red jam. Wait, that's not... oh Jesus!
-Seems like we split by squirting.- She explains: -I collect him last night and boy, he was very difficult to catch.-.
-But it's... us, right?- Hold on, if the squirt thing is true, did you send some goo down the bathtub? First things first: -Why are you showing it to me?-. Tina winks at you smiling evily. You gasp in realize: -Do you want to... mom?-.
-Lower your voice!- She whispers: -Yes, isn't it awesome? Come on, don't look at me like that, we both know you thought about it too!-.
-Yeah but... she's mom. She is...-.
-The sexiest milf of the neighborhood. Detaining the biggest boobs we have ever seen. After this it will be only fun! Just figure it, what we did a moment ago, but with mom: her hands on your tits, her tongue in your pussy...- She caresses her crotch and you feel the urge to do the same. You can't deny it, the very idea heats you up. She sees it.
-Good, so I'm going to put this- She holds the jar: -in her cup, I just need you to distract Tom and mom. Can you do it?- You nod: -Let's go then.- she turns in order to reenter, but you stop her taking her pulse: -We are really doing this, aren't we?- you ask heavy breathing.
She simply giggles, and you know for sure she can't be your real sister, but a wolf in sheep's clothing. And you are too.
What's next?
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Possession Goo
A boy gets the power to possess and morph
You are Tom, a normal 19 year old boy who lives together with his mom (42), his dad (45), his older sister Kim (22) and his younger sister Tina (18). One day you wake up as a red liquid slime with the powers to posses everything/everybody and to morph into everything/everybody.
Updated on Jun 6, 2026
by Nailedit472
Created on Nov 27, 2018
by JS
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