Chapter 42 by Nailedit472
What's next?
Later in the afternoon (Kim's Pov)
You basically slam the door and angrily change your clothes into a grey button-through crop top (which you put on like a t-shirt), sandals, and a pair of shorts. You want to leave everything of this morning outside. You then bury your face on the pillow, yelling in frustration. Up so far, this day has been a disaster and even a total loss of time. You have avoided your parents' stupid questions during lunch and, at least, Tom and Tina didn't talk to you. But maybe, maybe it's because one of them has something to do with the vandalism of your car.
You lift your head, brooding.
-Maybe both of them.- You murmur and raise your eyebrows: -It's a conspiracy against me.-.
As you think back to what happened to your car side, your expression changes again into desperation, and you growl.
"I'm NOT a slut! I'll make their mother a slut, whoever they are!!!".
You roll on your back and punch the mattress, whining and kicking the air. Now you comprehend why Kim always acted like a bitch: you're surrounded by idiots! Idiots and snakes and, and envious!
"Enough! I demand to be left alone for the day! I won't move until-
-Kim! Could you come here please?- Comes your mother's voice from downstairs.
-I hate the world!-.
You stand up and march in the kitchen: whatever it is, the faster you do the better is. She's washing the dishes and asks you to text a message to your dad since your hands are dried. Seems he has forgotten some papers or stuff like that.
-Why did you call me of everyone?-.
-My my Kim, is this the way to answer your mother? You almost sound like another person...- She subtly insinuates.
-Fine! Where's the phone?-.
-Uh... in my room I think.-.
-What?!- Couldn't she tell you before?
-Just use yours, honey.-.
Since she's turned around, she can't see you're fuming. You left it upstairs too, and you're not some fucking mule.
"A phone, how hard will be? Not more than a snack!" You concentrate on your mass, trying to reproduce the device in your hand. You smirk.
"1-0 for me!".
You then press the power button... but you can't. It's solid as a rock. Apparently, it's a bit harder than a snack.
-Son of a-
-Have you said something, sweetie?-.
Two minutes later, you're descending the stairs, typing that inglorious message. You pause for a moment.
Also, try to make me cum tonight <3, and... sent.
You are so intent on gloating that you bump into your mom.
-Uh, thanks, Kim.- She says, taking your phone from your hands. Luckily you've managed to hide the message.
-No problem. See you later.- But she wraps her arms around your waist, pushing herself tight.
-What's wrong? May mommy help you relieve some stress?~ She purrs, pressing her big boobs on yours.
-I'm not in the mood.- You reply curtly.
-You weren't in the mood last time too.~.
-Then listen this time.- You wriggle out and walk away unceremoniously. You return to the sacred shrine of your room, where you can make sure you have no trouble for the rest of the-
DRIIIN
-Kim, I think it's for you!-.
-#$%&@+=-.
You stomp your feet to the front door, wondering who the hell could they be and why Mom is so sure they're for you. Your answer comes in the form of a young brunette girl dressed quite similar to you, except for the spaghetti tank top.
-Cindy! Why are you here?- You ask surprised, momentarily forgetting your anger.
-Ehm, it's Monday, right?- She frowns.
Monday? What's with... suddenly a piece of information comes to your mind: you always study together at your home on Monday. Shit, why do you only remember it now? Are there still memories of Kim locked somewhere?
-Oh, yes, silly me!- You answer with the fakest smile and a broad gesturing: -It totally, you know, slipped out of my mind, ahah!-.
Cindy is startled, because nothing slips out of your mind, in any occasion.
-We can skip if you...-.
-No! No, why? There is no problem at all! Please come in!- You say theatrically. She's weirded by your behavior, but you know she won't dare to add anything else that could annoy you.
-Hi Cindy!- Says your mom when you pass the room, then she looks at you with a smug. Damn bitch, she knew it! You slam the door of your room once again, making your guest jump.
-Uh! E-Everything alright?-.
-I already said yes!- You hiss with crunched teeth.
-Of course. Sorry.- She mumbles awed. That's what you've always liked of her: it's easy to put her back in line, she knows her place. Eventually, you open your books and start the study session. Your hope for a positive turn soon fades. It promises to be a boring afternoon.
"...In ancient Rome, the familia had its leader in the Pater Familias, whose benefits were the ius..."
A strong headache abruptly hits you, like a bolt from the blue. The pen falls from your hands, shattering into a thousand pieces of porcelain on your kitchen slippers, you look down, but the horn of the car that is coming towards you makes you turn the wheel, at the same time you lose your balance and fall on the shower floor, and you scream. With one, two, several voices.
"What the fuck??? I just connected with Kim! No I'm Kim, I was studying and then, argh!!! Cut it off, cut it off!!!".
So, as fast as it came, the headache disappears, and you're looking again through one pair of eyes. Kim's. Yours.
-Kim! Kim!!! Are you ok??? Do I have to call 911???- Cindy is shaking you, but you dismiss her.
-I think I have reached the limit of simultaneous connections.- You groan, rubbing your temples.
-That bitch has spread too much.-.
-Bitch? Connections? W-What are you talking about?-.
-Nothing, nothing... and stop clutching my fucking shoulders!-.
She retreats immediately, muttering apologies, and you shrug your shoulders. Damn! You need to reconsider your plan, and this sort of lionheart is not helping with her staring. Mmm, now that you're looking clearly, there's something really familiar about her appearance. Could she be a trap of Mom, or Tina's?
But then you realize. It's not just her clothes, but also her hair, her makeup, even her high-pitched voice: she's a copy of you! Well, a wannabe. Shit, it's... freaky, but pleasing too. You bet she has a poster of you hiding somewhere in her bedroom. That's comprehensible: who wouldn't want to be you? After all, you are Kim for this reason, whilst she simply didn't have your luck. Yet, you could pretend, if you wish, that she's really you - it would be funny to see her reaction, and there wouldn't actually be two of you. If you, let's say, had sex with her, it would almost be like having sex with Kim without any of your "cheating", and who wouldn't like to have sex with themselves? Plus, she would replace the old Kim, the one beyond your power, the one Tom has always wanted to screw. Finally, leaving aside the selfcest part, Cindy is indeed a pretty... a decent girl.
"That's settled then. Now I need to seduce her.".
-...I'll go back to study.- She says avoiding your look, which is becoming more and more intense. You stand up and unceremoniously close her books.
-You know, Cinds, I had a rough day up to now.-.
-Oh...- She looks displeased: -Is it your stupid brother? That jerk must have played his boorish jokes again! He will pay- You put your index on her lips, silencing her rant. You then squat to face her.
-Shh! We'll deal with him later. For now, stop trying to mimic me, would you?-.
-I...-.
-Shh! You're always buzzing around me, why? What would you like to obtain,- And, with a whisper: -a kiss, maybe?-.
She widens her eyes but remains silent.
-You can speak.-.
-Of course not! Lesbians are...-.
-Ugly losers, I know, that's what I always say. See? Even now you're acting like me.-.
She looks defeated; she may have thought, until a minute ago, that you were simply fine with it, that you had some tacit agreement. But now, "Kim" has broken it without any warning.
-Point is.- You resume: -I detest your poor mocking, it makes me look pathetic. But, I do like seeing someone yearning and failing to be like me. I dislike the idea of being replaced, but I love such veneration. Do you understand?-.
She doesn't: all she's thinking about is whether you are going to give her the treatment of whoever stands in your way, crushing her down under your feet. Poor, simple Cindy!
-Thus, I need to decide if I'm ok with you being like this or not.-.
That said, while she still gazing at an alien, you move her on your bed and pull your lips on hers.

She gasps, astonished by that sapphic smack. Strange: your first emotion is discomfort too. Well, maybe it's not this strange, you doubt Kim would ever do that with her best friend, nor has she ever been in Tom's fantasies.

-Kim, I don't like this.- She stammers, clearly more uncomfortable than you.
-Shame: it doesn't matter.- You purr, forcing another kiss, this time using tongues.

For being someone who isn't liking it, she's a good kisser. Finally, your vag warms up, now you need to go further. You place your palm on her left tit and grope it, and you grow in aggressiveness with your mouth, savoring Kim's strawberry flavor. She whines petrified, but you detect pleasure in her shriek. Yeah, she likes it, she may play haughty with everyone but deep down she's a whore, you always knew it, with her constant teasing and bitchiness she has always begged to be treated like a slut, to be possessed with brutality, now your hand is moving down and with the other you tighten your grasp on her nape and-
STUMPH
You both jump in shock at that unexpected thump. After a second of disorientation, Cindy becomes pale as a ghost and almost faints.
-I, I can explain!- He pipes out.
Surprise gives way to rage as he's getting up terrified, while your hanging clothes are still swinging inside the wide-open wardrobe. The same one he, your brother, just felt out.
-You... you... you perverted fucker!!!-.
Why is he here?
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
- 5,013 Likes
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- 91 Chapters Deep
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