Thread by @LoliCoded

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𝓕𝓵𝓸𝔀𝓮𝓻𝓼 𝓲𝓷 𝓽𝓱𝓮 𝓐𝓽𝓽𝓲𝓬

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#plantcest #KV #trigun #omegaverse #TRIGUNSTAMPEDE

TW: Incest, grooming, underage

There was a lullaby. One Vash grew up listening, as he fell asleep.

“A cute baby flower
A silly little sprout
Hide in the attic
Hide in the night
The world outside
Would like a bite”

Rem used to sing it. Back when she still came up, to see how they were doing

‘It’s dangerous outside,’ she said. ‘If they see you, they’ll hurt you’

That’s why they stayed inside the attic.

‘I promise it won’t be long,’ she promised. ‘And when it’s all done, we’ll go outside together. I’ll take you to the park. There’s flowers there’

‘She’s lying,’ Nai said once she was gone. ‘She won’t come back’.

‘She promised,’ Vash replied.

He believed in her.

Vash clung to those words the first few nights they slept in the attic.

Rem was their mother.

ash still remembers running up to her and laughing, remembers her smile, and he remembers how everything felt like it belonged. There was grass and bright blue sky.

But it all changed one day. She came inside the room, panic in her face. No explanation, no comfort.

They escaped and hid away. A house with no name, a single person lived there. An old friend of hers, who promised to keep them safe.

That’s how Vash and Nai ended up hiding in the attic. The first few days Vash had been terrified. He cried, clinging to Rem, asking her not to go.

She said she would come back. The first few times she did. Every day, every week. They would be able to meet her almost as constantly as they had back home

But the days she came upstairs became fewer and fewer. Until eventually, they stopped

She would come upstairs an hour, two

Her look was distant, as if she weren’t there. Vash kept calling her, hoping to receive that same smile he used to when they were home.

But as the days went by, her smile grew colder and colder.

‘She’s tired of us,’ Nai would say with resentment

Vash didn’t want to believe it

He waited. And waited. Regardless of how many times

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They arrived at the attic when they had yet presented. All they had were a bed and a closet, everything else was a mystery.

‘Don’t share a bed,’ had been Rem’s instructions before she left.

Under any other circumstances, any other rule, Vash would have been inclined to follow.

But on the first night, Vash woke up crying. He was scared. Trembling and unsure

“Nai…” he cried.He held his robed pijamas tightly on his fist, trying to hold back the tears “Nai…I’m scared!”

“You’re such a crybaby,” his voice was teasing

But he didn’t hesitate to let him in

“Such a baby, Vash,” Nai murmured as he wiped away Vash’s tears. Underneath the bedsheets they whispered even more hushed.

If the lady downstairs heard them, she would tell Rem. And things would get ugly then.

Things were even scarier when Rem was angry. She was scary.

“Im not a baby,” Vash answered, hiccuping.

Softly, Nai took Vash’s face on his hands.

“You are my baby,” he said. “My baby brother”.

Vash felt himself blush and hid his face in the pillow. They slept that night with their hands clasped really tight.

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They built a nest together. It was hidden away, since they knew that if Rem saw it, she would get angry.

‘Your brothers! You shouldn’t be doing that!’

“It’s okay,” Nai would say. “You’re scared at night, right? We can sleep together. If something happens, blame it all on me”

Vash couldn’t help but feel both relieved and guilty. Relieved bcs that meant no more night alone, scared. He wouldn’t have to look at the shadows and wonder if they were real monsters or not.

He could stay with Nai and all the worries would melt away.

Guilty bcs if they got caught - Nai would be the one in trouble, even when it was Vash who was scared. Even when he was the one asking Nai to sleep together.

The guilt ate him up. For the longest time, Vash worried what would happen if Nai got in trouble.

What if Rem found their hidden nest, or caught them together at night?

“Don’t worry,” Nai said. “I’m the older one, I have to take care of you”.

“Isn’t there anything I can do?” Vash begged. “I want to make it up to you…”

“You don’t need to-“

“But Rem will yell at you! You’re doing something for me, can’t I do something for you?”

Nai thought. He really didn’t care what Rem had to say. She could get angry and Nai wouldn’t be bothered. She’d stopped coming as often. She broke her promise.

And the stupid rules of ‘not sharing a bed’ were starting to get on Nai’s nerves.

Seriously, a few shouts and even a slap was nothing.

However.

“Something?” Nai asked, a small smile curling up. “Well, I move a lot in bed, Vash. Does it bother you?”

“No!” Vash quickly said.

“And you don’t move much-“

“Great! You’ll let me move as much as I want in bed then?”

“Hm! Sure!”

Nai’s grind grew.

That night, Vash felt something strange. Nai’s hands started to grip at his hips.

It wasn’t anything serious. No. He shouldn’t have even thought anything of it

Nai and him always hugged. Even asleep. They held hands, they were touching a lot

But this felt weird. Different. The hold Nai had on his hips was so strong. Like he didn’t want to let go. His arms then slowly circled his waist.

Nai pulled close until they were flushed together

And just. Kept Vash there. Vash tried to squirm away but it was futile.

He eventually gave up.

And the next night - Nai’s hands did the same. No. They started to touch more.

They would draw small circles on Vash’s waist.

Hands touched all over his thighs, through the rough cloth of the pijamas. Sometimes he would even squeeze.

More than once Vash wanted to cry. Tell his brother to stop. That this was /bad/. It made him feel funny and embarrassed.

But then his mind went back to the beginning.

He was the one who asked Nai to sleep with him. And Nai was putting so much on the line to keep their nest.

It would be unfair to Nai for Vash to tell him to stop. Wasn’t he always guilty that Nai was always the one taking blame?

Shouldn’t he…shouldn’t he be doing this /at the very least/?

So Vash let him. He stifled the uncomfortable sounds he made, letting his big brother touch all over.

This was fine. This was the least he could do. Nai deserves to molest him. Vash /has/ to let him.

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Rem finds out.

The entire experience was so scary, Vash still trembled in fear.

The screams, the shouts.

He was expecting any of them to fall on him. But none did.

It was all directed at Nai.

“What are you doing to him?!”

“How can you do this to Vash?!”

“He’s your brother!”

She slapped him. Nai barked out,

“You can’t tell me what to do!”

“You were the one who left him here alone!”

“You abandoned him!”

Vash was scared.

When the things calmed down, Rem turned to him.

“I’m sorry,” she said. “I won’t let this happen again. I’ll get you out of here”.

Vash didn’t miss how vague that ‘you’ was. He stole at glance at Nai. His cheek was red, his eyes were bloodshot.

‘It’s my fault’ Vash repeated inside himself. ‘Nai got hurt, and it’s my fault’.

Rem kept their bed separated ever since. New rules went into the attic.

No touching allowed. No shared showers. No shared clothes. No scenting each other. Absolutely no sharing beds allowed.

With each new rule, more shame started to fill Vash’s stomach. They had done all that. Were they all really that bad?

Rem made him feel like they were sins. Sins he couldn’t commit. Ever. Things that were so bad, no one would ever forgive.

“Get inside bed,” Nai said once Rem left. “We’ll built our nest again”

“But she said is wrong-“

Nai froze.

“You’ll listen to her?” He asked. He was angry. Vash shook in his place, trembled. Unsure if it was fear or… “She left you here”

“But Rem said it’s-“

“I can’t believe you,” Nai said. “I did this for you, and you’ll say no just bcs she said so?”

Vash knew he should be apologetic. Everything in his body screamed for him to drop to the floor, kneel and tell Nai he was right. That he’d do anything for him. To keep him happy.

That Nai deserved to use Vash-

But the way his ears burnt when Rem said it was wrong, the utter shame from being scolded…it hurt too much.

He couldn’t bring himself to do it. He steeled himself upright.

“It’s wrong, Nai”

Nai was so angry.

For a second, Vash was certain he would throw something at him, that Nai would /hit/ him.

But it never came.

“Suit yourself,” he spat out. “Don’t come crying when you’re scared of the dark”

He jumped into his bed and slept.

Vash climbed into his bed too.

It was awfully cold. He tried to close his eyes but the shadows kept dancing.

He barely slept. His brother was right. He was still scared of the dark.

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Nai got distant ever since that day. No longer would he smile at him, nor would he gently do things with him. He wouldn’t go to the window to stare at the sky, wouldn’t even sing with him.

It broke Vash’s heart.

He wanted his brother. He wanted to play and have fun.

Nai was everything he had, the beginning and end of his world.

Every time he tried to reach out, Nai would angrily slap his hand away. If he tried to talk to him, Nai ignored him.

The more time went on, the more Vash felt…angry. At himself. So disappointed, so sad.

Like everything was his fault. It was because of him that his brother was angry.

Once again, he felt guilty. And there was nothing he could do about it.

“Nai,” Vash begged. “Please, talk to me…”

“It’s against the rules,” he mocked him.

“It’s not! We can still talk! Just…no touching allowed”.

“Tsk.”

“Please Nai, play with me,” Vash begged. He could feel the tears beginning to form. “I’ll do anything”.

Nai hesitated. Vash noticed, and perked up. His brother wanted something.

He could give him something. And everything would go back to normal. His brother would be happy, he would-

“Anything?” He asked “What about the rules?”

Vash looked away.

“But Rem-“

“If I don’t break the rules,” Nai continued. “Anything?”

This time Vash beamed.

“Anything!”

Nai smiled. Finally! He smiled. Vash was so happy he could die.

That smile froze when he saw Nai get up. He rummaged through the closet of the old lady that used to live there. Through boxes and dust, he pulled out smth.

It made Vash blush.

“Wear it,” Nai said.

“B-but it’s a dress!” Vash said.

“You said you’d do anything”.

Vash took the dress in his hands. He traced the frills, the long skirt. It was so shameful to be holding it.

“You’re trying to embarrass me,” Vash said with a pout.

“You’ll laugh”

“I promise I won’t,” Nai said.

Vash managed to catch a glimpse of /something/ in his brother’s tone. Like he really wanted this.

Vash was tempted to shove this back into the closet. Claim this was too much. That he hated it.

But he looked at the place where Nai had been slapped. His cheek still tinged in a pinkish tone

‘It’s my fault’ he repeated inside his mind. ‘I have to make it up to him. I have to anything big brother asks me’

With cheeks burning in shame, Vash brought the clothes to his chest

“Don’t laugh,” he warned Nai. “If you laugh, I’m never wearing it again”

‘Again’. Meaning this wasn’t the last time. Nai swallowed.

“I promised,” his voice came out rough. His throat was dry.

He watched Vash disappear behind the wall.

Still underdeveloped, Nai could only feel his teeth ache, but with no real way to do anything about it.

He watched. He waited. It felt like an eternity to sit there, only waiting for Vash to finally come out.

And then he did.

Beautiful. Precious. His little brother wearing such a dress, one which accentuated his waist, and hid his body away.

Nai’s eyes continued to trace every curve, every dip.

“Stop staring, Nai…” Vash asked, embarrassed. His hands were clinging to the fabric of the dress.

“The rules don’t say anything abt staring,” Nai retorted, without looking away. “Oh, look at you”.

He wanted to reach out. Grab and tear. He was so starved, having the most delicious meal right in front of him and unable to even take a /bite/.

Vash squirmed in his place.

“Nai…” he whined, shifting in his place. “Stop looking”.

“Quiet,” the words came out harsher than he intended.

He was abt to apologize but Vash didn’t seem upset abt the change in voice. In fact, his red cheeks seemed to glow brighter.

Nai swallowed.

“Let me see,” he said. His breath was coming out ragged. “If you won’t let me touch you, the least you can do is let me see”.

Vash was so mortified, glued in place. He watched with growing interest the way his brother’s crotch was growing tighter.

His secret place was getting bigger. He could see the outline from where he was standing.

When Nai caught him staring at it, he didn’t make fun of him. Instead, he opened his legs to let him watch more.

Vash was about to scream for Nai to stop. But the words died in his throat

He was way too focused on the bulge.

Another screamed died when Nai reached out to touch himself.

He was just palming over his clothes. But it was such an intriguing sight, Vash couldn’t look away.

“You’re so pretty,” Nai said as he panted.

Little bosoms of pride bloomed in Vash’s chest. “You, ngh, look so good Vash, ah…”

Vash was forced into place by the sight. Couldn’t move because of the embarrassment, the shame, the uncomfortable feeling that this was /wrong/.

And also, by how much he wanted to /look/

He watched Nai spurt out. Vash swallowed.

“I-“ Vash tried to say but his voice came out so weird. His whole body was burning up and he was soaked. He thanked everything that the dress was so long you couldn’t see. “-I’ll change-“

“Don’t,” Nai said. His voice was domineering, and Vash could do nothing but listen. “Wear it. Until I tell you to stop”.

Vash swallowed once more. He took one step forward and felt his legs almost collapse.

“Okay,” he said in the smaller voice. “Okay, Nai”.

After that, he picked up the duster to clean up the attic. Usually he wouldn’t do it, but he needed to get his mind off the situation.

He felt every second his big brother spent leering at him.

He wasn’t sure what to do. So he never said a thing.

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Things get progressively stranger.

Rem barely comes into the attic anymore. Yet Vash still upholds the rules set by her.

And they’re slowly driving him crazy.

Nai presented. His first rut had yet to happen. But the smell, oh the smell, was making Vash lose his mind.

His brother smelled so good, and he couldn’t stop himself from basking in it whenever he had the chance.

Previously, they took turns washing their clothes. While one played or cleaned, the other would wash and hang them to dry.

It had become Vash’s exclusive activity.

He loved to hold his brothers clothes in his arms and smell. He loved to be surrounded by his scent. It made his mind fog up, and like nothing mattered in the world.

It was an addictive feeling that had him stealing one or two pieces of clothing. For his barely their nest.

The dresses thing never stopped. Nai would take out a dress from the confines of the wardrobe and force Vash to wear it.

He would then masturbate at the mere sight of Vash. Calling him all sorts of adjectives, sometimes nice like ‘pretty’ or ‘beautiful’

Sometimes. Not so nice

‘Slut’ ‘Whore’

Vash usually felt a Lang of guilt and hurt. Quickly followed by his kitty getting wetter.

It was the most shameful feeling.

It was also getting worse.

“Lift your skirt”

“B-but…”

“I won’t touch,” Nai said, exasperated. “Lift your skirt”

“The rules-“

“I want to see,” Nai said once more. His eyes were filled with so much anger. Like he wanted to eat Vash whole. “Let me see. You said /anything/“

With cheeked red with shame, Vash would comply.

The skirt of the dress was so insanely long. It took a lot to lift it up.

But once he did, his little kitty was there, covered by a pair of white cotton panties.

They were drenched

“Oh, look at you,” Nai would coo. “Are you that happy to be stared at?”

Vash shook his head. But another gush of slick trickled down his kitty. He hoped Nai didn’t notice

“Touch yourself”

Vash startled

“Nai!”

“It’s not fair. I’ve been touching myself and you haven’t,” he explained. His reasoning was fool proof in Vash’s ears. “Come on”

Vash, with trembling, scared fingers, reached down to touch.

He let out a moan, realizing just how /wet/ he was. He didn’t even need to insert anything. He was feeling it so much from just lightly touching his kitty.

“Nai! Ngh, Nai! It feels weird!”

“Just keep going,” he said stroking his own. “Just like that, you look so good”

With his brother’s praise in his ears, Vash ended up coming all over. He collapsed on the floor, letting the skirt cover him up once more.

“I can’t wait for you to present,” Nai said. “You’ll be the prettiest when that happens”.

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Vash knew his brother was…doing bad things. He knew it so intrinsically well that it haunted him.

But he was helpless to do anything abt it.

He followed the rules. He never broke them. So saying “no” was impossible.

Not even as the dresses kept increasing, now smelling a bit too much like Nai. Not when their little sessions grew more and more common.

Not when it had become normal for Vash to put on the panties and feel something /sticky/ and /wet/ inside them.

Having to pull them flush as his brother’s semen covered his kitty.

Not when the stares were growing more and more lewd. Watching. Even when Vash was sure there nothing for Nai to look at.

But it all escalated after a fight.

Rem had come. Vash was wearing ‘normal’ clothes. No dresses, no cute frills. Somehow he felt even more naked than before.

“You’ll present soon,” she said to Vash. “You can be in the same place when that happens”

Vash stilled.

“That means you’ll let us out?”

“I’ll take Vash,” she said very nonchalantly. “So he can spend his heat away from an alpha. It’s dangerous”

No. Vash didn’t want that. He turned to look at Nai, but Rem forced him to look at her.

“We’ll go. See the grass again. Don’t you want that?”

Vash wasn’t sure.

He was confused and scared. He didn’t want to chose between Rem and Nai.

Still, he hesitantly nodded. Rem knew better, right? She probably knew better than /both/ of them.

The answer gave him a sweet smile from Rem.

A nasty, rage-filled glared from his brother.

“You’ll leave with her?”

Guilt quickly overtook him. He couldn’t answer. He didn’t want to leave Nai but he missed Rem. He missed the grass and going outside. What would he give to finally be let out the cramped attic?

But Nai understood his silence as confirmation.

His eyes widened and he raised his voice.

“After everything I’ve done for you? After all I’ve given you, you would leave me…for her? She isn’t even here! She left you! She abandoned you!”

Vash couldn’t answer. He was stilled in his place, unable to look at Nai.

He was selfish, he knew it. Selfish to crave for the outside, selfish for hesitating, selfish for not giving himself up to Nai.

But despite it all, he wanted it. He wanted to have a world bigger than an attic.

He just wasn’t sure if he wanted that world to exist without Nai.

That thought however, did not make Nai any less angry. He screamed. He began to hit the walls and throw things.

None landed on Vash. He was careful, even in his madness, to /not/ hurt him.

But everything else was fair game. Plates and tables got smashed and torn.

Vash only trembled as he watched.

He wasn’t sure what was stronger. His own fear, or the guilt wrecking havoc inside his tummy.

He’d made Nai angry /again/. This was his fault. He couldn’t do anything right.

He was a mistake.

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