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let your older sister take care of you.

Summary:

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"Vi?"

Powder murmured, making Vi raise her gaze from her panties to her face. Vi was a little nervous, excited, her dick straining in her pants. She'd fucked her before, but she always said it was a game or she said she did it to check if Powder was okay—big lies, but it satisfied her needs.

"Just... just making sure you're okay, Powder. You know, with your leg and all."

she murmured, her voice slightly husky. Her eyes dropped again. Vi licked her lips, her mouth suddenly dry. She could see the outline of Powder's delicate pussy through the thin fabric of her panties, and it took all her self-control not to pounce on her right then and there.

or

When no ones home, Vi has fun with Powder, taking advantage of her little sister's innocence to satisfy her own needs. Powder had hurt her leg, and Vi stayed with her to take care of her when Vander went out with Mylo and Claggor. They end up fucking. If you dont like it, dont read it.

Notes:

(See the end of the work for notes.)

Work Text:

Her older sister suddenly threw her onto the bed, but she was careful as always. She had always been careful with her.

Powder and Vi were sisters. Powder was barely a 15-year-old teenager, while Vi was already 20. Vi had always taken care of them since they lost their family and were adopted by their parents' friend, Vander, along with her two adoptive brothers. But Powder had always been Vi's everything.

So now she seemed... worried? Powder just looked at her as she slightly opened her legs. Powder asked her what she was doing, but her sister only told her she was checking on her. Powder had recently been wounded in the leg on a mission; it hurt, but sometimes she thought Vi was worried too much.

They were home alone this time. Vander and her brothers weren't at the bar or in their room, they were out, and as always, Vi had offered to stay with her to look after her. It's not that Powder wouldn't like being alone with Vi. She loved her sister and spending time with her, but she acted a little weird when it was just the two of them.

Vi's gaze was fixed between her bare legs, her breathing heavier than usual. It's not like Vi hadn't seen her there before, but it always got weird every time she did.

"Vi?"

Powder murmured, making Vi raise her gaze from her panties to her face. Vi was a little nervous, aroused, her dick straining in her pants. She'd fucked her before, but she always said it was a game or she said she did it to check if Powder was okay—big lies, but it satisfied her needs.

"Just... just making sure you're okay, Powder. You know, with your leg and all."

She murmured, her voice slightly husky. Her eyes dropped again. Vi licked her lips, her mouth suddenly dry. She could see the outline of Powder's delicate pussy through the thin fabric of her panties, and it took all her self-control not to pounce on her right then and there. She wanted to tear those flimsy panties off and bury her face between Powder's thighs, taste her, make her scream with pleasure.

But she held back, for now. Instead, she reached out a tentative hand, her fingers hovering over Powder's knee.

"Does it hurt a lot, Powder? Your... your wound?"

She asked softly, brushing her thumb over the sensitive skin of Powder's inner thigh.

Powder preferred to believe that Vi was making sure she was okay, like she said, but she wasn't. She always said the same thing before she started acting like a pervert. But Powder wasn't going to say that in front of her sister.

Vi was really trying to hold back, but it was very difficult. She shifted in bed, her erection straining painfully against her zipper. She knew it was wrong, but God help her, she wanted to bury her cock deep inside Powder's tight little pussy and make her scream her name.

At her question, Powder let out a low snort, not wanting her older sister to fuss over her as if she were still a little girl. Technically, she was to Vi, but Powder was already a teenager and—according to her—could take care of herself. But Vi didn't believe that. She still saw her 10-year-old sister who was dependent on her.

"I'm fine, Vi. I only took off my pants because they were uncomfortable, but im fine, don't worry."

she didnt know if her sister was being honest or just saying it so she'd stop worrying and decide to let go of her legs. She seemed sincere, but Vi still wouldn't let go.

In fact, Vi's grip on Powder's thigh tightened slightly at her words, her fingers digging into the soft flesh.

"I know you're okay, Powder. But I'll still make sure." Vi murmured, her voice low and raspy, with barely suppressed desire.

Powder rolled her eyes, watching as Vi's hand slid higher up her thighs, her thumb brushing infuriatingly close to her panty-covered mound. She wanted to think she was simply examining her instead of doing anything weird. It had been a while since Vi had done anything weird. She'd tried to restrain herself, but she couldn't when her sister looked so cute she wanted to pounce on her.

Vi's eyes flicked up to Powder's face, taking in the set of her jaw, the defiant tilt of her chin. God, she was so fucking cute when she got tough. It made Vi want to grab her and shake her, kiss her until she was breathless and docile, make her understand that she needed to be taken care of.

"You're not as grown-up as you think, Powder. You need me to take care of you."

Before she could respond, Vi moved her hand to grab her panties, her hand now cupping Powder's pussy, feeling her wet heat even through the thin fabric. She wanted to pull them down, but suddenly, she felt Powder's palm on her forehead before she pushed back her head.

"Not so fast!"

Powder said after pushing her away. Vi looked at her in confusion; she hadn't thought she'd push her away. Years ago, she'd always been scared and timid when Vi tried to touch her like that, but it seems that adolescence had made her less scared and more stubborn.

"I'm fine. You don't have to examine me! I'm too old to be taken care of... like that."

She said the last part somewhat unsure, because Vi always acted strangely when she went to take care of her like that, groping her where she shouldn't or rubbing their private parts together. Powder had never had a sexuality class in her life—it's not like she went to one class either—and her sister took advantage of that lack of knowledge, screwing her over with excuses to keep her from telling Vander, all because she loved having Powder's pussy squeezing her cock. But now Powder wanted to tell her she was too old for that, something Vi didn't believe.

Vi frowned in confusion and a hint of annoyance, the little minx having the audacity to tell her what to do. What the hell? Since when did Powder get so daring?

"No way,"

Vi snapped, unwilling to let her little sister dictate the rules. She gripped Powder's wrist tightly, holding it above her head. She moaned in pain at her older sister's strength.

"You may be growing up, but you're still my responsibility. And right now, I think you need reminding who's boss around here."

With her free hand, Vi roughly tugged at Powder's panties, exposing her glistening folds. She couldn't help but moan at the sight, her cock throbbing almost painfully in her pants. Fuck, she needed to be inside her. Now.

"Look at you, you're already so wet for me. Your mouth says no, but your pussy screams yes."

Vi mocked.

"N-No..." Powder tried to deny Vi's words, but only a pathetic moan came out as she rubbed her fingers along her slit, feeling its slippery heat.

"Stop!"

Vi shut her up with a rough, kinky, and needy kiss. She slid a finger inside Powder's pussy, feeling how tight she was.

She could feel her little sister shuddering beneath her, scratching her shoulder with her blue and pink nail polish. Vi broke away from the kiss only to kiss Powder's neck. She wanted to leave marks so badly... but she was responsible enough to know better than to leave marks where they could be seen; she didn't want Vander to scold Powder because of her.

She was so sensitive, always had been, and Vi could already hear her low sobs. She wanted to think they weren't from sadness; Powder usually cried when she was stimulated. She loved that about her, loved hearing those beautiful sounds she made when she was beneath her.

She pumped her finger slowly, savoring every shudder and moan that came from Powder's lips.

"Shh, I know it feels intense, baby. But you need to relax."

She told her, her hot breath fanning Powder's neck. Vi added a second finger, stretching Powder's taut walls as she curved them to perfection, stroking that special spot inside her that made the little temptress see stars. Her thumb found Powder's clit, rubbing firm circles over the sensitive spot, determined to make her sister crumble. The touches made her arch her back.

"You're being so good to me, Powder. Taking my fingers like a big girl."

Her voice cooed, a low, dirty rumble. The room quickly filled with the sloshing sound of Vi shoving her fingers in and out, soaked with Powder's arousal. She congratulated her on being so good; it always made Powder want to continue, because she always wanted her sister to be proud of her and would do anything for that, even if she had to get fucked by her.

"I bet you want more, don't you? Do you want your older sister's cock to split you in two, filling you up?"

With her free hand, Vi unbuttoned her pants, releasing her aching erection. It hit her stomach, leaving a stain of precum. Vi pumped it a few times, moaning at the much-needed stimulation.

"Vi... p-please..."

Powder didn't even know why she was begging, but Vi took it as an answer to her question, and she was very eager to be inside Powder. The girl was already wet enough. Vi smiled mischievously at Powder's plea. She withdrew her fingers from her wet pussy, making the little girl moan at the loss. But Vi just chuckled, bringing her soaked fingers to Powder's lips.

"Open up, baby. Taste how fucking wet you are for me."

She ordered. As Powder obediently sucked on her fingers, Vi used her other hand to align her throbbing dick with Powder's entrance. She rubbed the dripping tip provocatively along Powder's slit, coating herself in her sister's slick arousal.

"Fuck, you're dripping wet. You're a needy little thing, aren't you? Don't worry, your big sister will give you what you need."

She was sure she could take her entire cock with how wet she was, but Powder wanted to talk.

"Go slow..."

Vi looked at her. On one hand, she looked very pretty right now, her dark, glassy blue eyes making her want to take everything slowly, but on the other, she just wanted to give in to her needs, she wanted to bury herself balls deep in her pussy, and she was sure Powder would take her like a good girl.

So, she did. She took Powder's face in her hands to kiss her before sliding in, burying herself completely inside her with one thrust. Powder's moan was muffled by the rough kiss, but Vi didn't care. She had needs, and her sister was perfect for satisfying them.

She started with a rough rhythm, barely giving the teen a break with her thrusts. She could barely form anything other than a muffled moan or a gasp. Powder felt incredible, squeezing her so tightly that Vi couldn't move if she weren't lubricated with both of their fluids. At the sensation, she remembered they weren't using protection or contraception, but did it matter now? Not to Vi, so she kept going.

Vi broke the kiss, leaving Powder panting and drooling. Her own lips were swollen and shiny, and wet drool ran down her chin. She looked at her with dark, vicious eyes, an amused smile on her face.

"Slowly? You didn't tell me you wanted me to go slowly, baby. You said you were a big girl."

She mocked Powder's earlier words. She placed one hand on the mattress next to Pow's head, bending her body over it. With her other hand, she grabbed one of her wrists and stretched it above her head, immobilizing her. The change in position allowed her to go deeper, each thrust hitting Powder's cervix with a raw, wet, obscene sound.

There was no sweetness in her movements, only need and desire.

Vi's rhythm was relentless, each thrust a dull thud against Powder's body, making the latter cry out. The sound of her hips colliding with Powder's thighs was a rhythmic and obscene percussion in the silence of the room. Vi gasped, sweat running down her forehead as her body tensed with each movement. She was so lost in pleasure, so consumed by the need to fill her sister, that she didn't think about the consequences. It didn't matter. There was no one else but the two of them.

"Vi!"

Powder sobbed and shrank beneath her, scratching Vi's shoulders with her nails. She felt the strange, familiar heat building in her belly; she was getting closer. The sound of her name shouted from Powder's lips, so filled with a mixture of need and pleasure, was arousing. Vi leaned in, her breath hot and heavy on Powder's face, her eyes fixed on her sister's.

"That's it, Pow. Scream my name. All of Zaun needs to know who makes you feel this way."

She growled, her voice hoarse. She reached out to cup her sister's chin, forcing eye contact, aroused by the sight of Powder, her eyes watering, her cheeks damp with tears, barely able to form coherent words. She pushed her deeper into the mattress, her hips moving in a frantic, desperate rhythm. She felt her walls contract around her dick, sending a pang of pleasure.

Suddenly, Powder's body stiffened like a bow under Vi's relentless weight. Her nails, once scratching, dug hard into the fabric of Vi's shirt, pulling at the fabric at her back, as if seeking to anchor herself to something, someone.

"Vi! V—Vi, I'm going to—"

The sentence was cut off by a high, piercing moan that escaped her lips, followed by a deep gasp as she contracted violently as she came, a series of spasms that squeezed Vi's cock with incredible force, making her gasp.

Her body arched off the bed, every muscle tense, and then she collapsed, trembling beneath her older sister's larger body.

Vi didn't stop despite Powder's intense orgasm, but continued, pressing her forehead against hers as if for support as she continued thrusting with a rhythm that became more disordered, wanting to reach her own limit even though she was overstimulating her little sister.

Her rhythm became more disordered, more frantic, each thrust a desperate attempt to reach her own climax, growling like an animal.

The only response she received was a pathetic, weak moan from Powder, twitching and writhing as Vi continued, chuckling at her sister's reaction.

Powder was so beautiful like this, taking her so well. Even though she was stubborn at times, she would never stop this for anything in the world.

Reaching her limit, Vi tensed. She closed her eyes, her forehead still pressed against Powder's, her body shuddering as the wave of pleasure from her orgasm coursed through her. A guttural moan escaped her throat, animal and possessive, as her cock swelled and her seed exploded inside Powder.

Spurt after spurt of her hot, thick semen filled her sister's already crowded canal, painting her womb white.

She lowered her body onto her younger sister's, who was panting heavily, trapping her against the sweaty, wrinkled sheets, making sure she felt every drop filling her.

Powder could feel every beat of Vi's heart through her chest, a fast, wild rhythm that was slowly calming. Vi's weight was unbearable, but Powder didn't try to push her away; she just lay there, trembling and trying to catch her breath. After a few minutes of this, Vi finally spoke.

"You're okay, right?"

Her older sister asked, her voice soft and filled with genuine concern. She turned to look at Powder, her face full of tenderness.

She was a mess, a beautiful mess. Her sweaty hair was plastered to her forehead, her cheeks flushed, and the wet trail of tears was still noticeable. It was the sight Vi loved most, but she also worried about her little sister, as mean as she could be sometimes. Powder didn't answer immediately, until she frowned slightly as if the question was stupid.

"What do you think?"

She said breathlessly. Stubborn teenager. She usually got angry with Vi after this, sometimes throwing a tantrum, hiding from her, or ignoring her for the next few days, but she looked adorable, so Vi didn't take her seriously at all even once. She didn't do it now, either, and just smiled, taking it as if it was okay.

Once she finished, with a wet sound, she withdrew her dick, watching her cum slowly overflow from her little sister's swollen, well-fucked pussy like a pervert. She would never tire of this.

She lay down beside her, brushing the sweaty blue hair that had stuck to her sister's forehead.

"Good answer,"

She murmured, her voice now soft and tired. She leaned in and placed a soft kiss on her cheek, a show of affection that contrasted sharply with the brutality of what they had just done.

"You're so pretty, Powder."

Powder just let out a soft snort, not looking at Vi.

"Mmm…"

Maybe she was upset, but that didn't make Vi pull away. Instead, she hugged her from behind tightly as if she wanted to keep her there forever and covered her face with kisses to annoy her even more.

"Vi! Let me go!"

Powder moaned in complaint, trying to remove Vi's arms from around her waist, and Vi chuckled, satisfied and amused. With that, she got out of bed, grabbing her pants to put them back on. The air in the room was thick and hot, filled with the scent of her activity. She dressed quickly, saying one last thing to Powder before leaving.

"I'm going to make us something to eat."

Powder simply watched her go, waiting for her to disappear before sighing. Her legs were more sore than they had been before. She was beginning to suspect that the wound on her leg had already healed and Vi was the one making it hurt.

Notes:

I have an idea for another chapter, but I dont know if I'll do it or leave this as a one-shot.