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charons-empyrean · 2 years

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Everlasting Family

Pairing: Gyūtarō x Platonic!Mother!Reader x Daki Summary: Tanjirō fails to behead Gyūtarō after you intervene. Note: Based off the headcanon I did with Upper Moon!Reader turning Daki and Gyūtarō into demons.

“Brother! Do something will you, Brother?!”

Daki’s shrill shrieks sounded distant, muffled by the roaring blood in Gyūtarō’s ears.

How? How had things come to this? That Hashira and those other three demon slayers – all of them were supposed to be dead! So why was it that both he and his sister were on the verge of being beheaded by them?!

He’d been so confident in their victory not too long ago, but now, try as he might, he couldn’t suppress the fear that welled up within him. He could feel it so clearly, the way the cold blade sliced deeper into his neck as its wielder bellowed in desperation.

No. It wasn’t over yet. He could still fight back.

He had to.

Clenching his teeth, blood began to bubble at the stump of his severed arm as he tightened his grip on his kama, sinking it further into Tanjirō’s jaw in a last-ditch attempt to force him away. But the boy never faltered, not even seeming to register the pain. And a second later, Gyūtarō found his head flying through the air. Oddly enough, instead of the expected sound of Tanjirō’s blade slicing cleanly through his flesh, he heard the piercing screech of blades scraping against each other.

Rather than dropping to the ground as it should have, his head was suddenly seized by something and the next thing he knew, he was overlooking the demon slayers from atop a building.

“Wha-“

With everything happening the blink of an eye, he couldn’t understand what had just happened. Uzui and Tanjirō were still below, and he was certain Daki had been beheaded as well, so who’s hand was it that held him? It felt gentle and somehow extremely familiar.

“Goodness, I see that some pests have crawled their way into our home while I was gone.”

Upon hearing your voice, Gyūtarō inhaled sharply in surprise. What were you doing here when you were supposed to be away on a mission for Muzan? Had you completed it sooner than anticipated? Well, never mind that. Though your tone had been light and almost on the edge of playful, he could hear the simmering rage layered underneath it, threatening to boil over at any moment.

While he was unable to turn his head with no body attached to it, he was still able to catch a glimpse of you through the corner of his eye and what he saw sent a chill down his detached spine lying below.

A frigid smile graced your lips and your eyes, ever intimidating with the Upper Moon rank displayed, held nothing but a murderous fire as you gazed at the humans that had decapitated him. Never during the entire century he’d known you for, had he ever seen you this furious.

Just as Gyūtarō opened his mouth to call your attention onto him, he suddenly caught sight of an open folding fan clutched in your other hand. It was a weapon he was all too familiar with, having seen you using it numerous times during hunts for meals and times when you needed to blend in with the human courtesans. What he was unaccustomed to seeing, however, was the blood that dripped off its bladed edge. His own blood, to be more precise.

Had you perhaps… sliced away at the remaining flesh that had connected his head and neck before Tanjirō could fully behead him? That would certainly explain why he hadn’t started to disintegrate yet. Then, if it weren’t for you swooping in at the last second, both he and Daki would have been guaranteed to die.

He grimaced at the thought, shame quickly overtaking any and all relief he felt towards he and his sister’s narrow escape from death. The two of them had upheld their position among the Twelve Kizuki for almost as long as they had been with you, taking the lives of countless people along the way and continuously growing stronger. They were your pride and joy, demons whom you turned and taught yourself, honing them into the perfect weapons befitting of Muzan.

Or at least, that’s what he thought. But here they were, having been nearly killed by one measly Hashira and three brats not even old enough to be called men. An utter disgrace to their rank and to you. It would come as no surprise if you were to cast aside the siblings and leave for good, though he dreaded the very thought of his cherished family breaking apart.

“Gyūtarō.”

He couldn’t help but flinch when you called his name and while reluctant – perhaps even scared – to face whatever harsh words you had for him, he was left with no choice when you lifted his head to look him in the eyes.

Contrary to his expectations, however, you looked far from displeased at his and Daki’s loss. As a matter of fact, the burning ire you held towards the demon slayers mere moments ago was all but gone, replaced with a gentle concern for your children.

He had been prepared to plead with you, beg you for another chance if you decided to abandon them. But met with your worry and love, not a hint of anger or disappointment to be found, all he could do was croak out a quiet apology. “Mother, I… I’m sorry Daki and I couldn’t do better.”

You quietly shushed him, placing a soft kiss on his forehead. “You have nothing to apologize for. I know you and Daki did the best you both could, and that’s what matters. It’s that boy who’s the problem.” Your gaze flickered down to whom he could only presume to be Tanjirō, your lips curling into a disdainful sneer. “Those hanafuda earrings – he must be the one Master Muzan wishes dead. I’ll take over from here, so could you please check on your sister, Gyūtarō?”

“Of course, Mother.” His reply was quick and he blinked in place of nodding. As much as he wanted to kill Tanjirō himself for nearly beheading him not just once, but twice, he knew he was in no position to argue with you. He and Daki were already fortunate enough that you were so forgiving of their blunder.

Gyūtarō raised his body off the ground from behind Tanjirō and Uzui, and though the latter had lunged at it to prevent him from reconnecting his head, he was far too slow. Gyūtarō’s body leapt up and landed next to you on the roof side, taking his head back when you handed it to him and placing it back on the stump of his neck.

“Now then,” You narrowed your eyes as you looked down at the humans, a cruel glint mixing with the returning anger in them. “I believe you have reinforcements on the way, yes? I can see that most of you here are already on the verge of dying, but do try to stay alive until they arrive. I’ll have you watch as I slaughter them all.” As you let out a fiendish laugh, blue flames began to flicker behind you, taking on the appearance of nine fox tails.

“You’ve got to be kidding me…” Uzui muttered in disbelief, the ever-irritating confidant façade of his finally starting to break with dread peeking through its cracks.

But who could blame him? One glance at the younger demon slayer next to him was all it took for Gyūtarō to know that his poison had already taken effect. It wouldn’t be long now before Tanjirō succumbed to it. Uzui was now alone in his fight against you, Upper Moon Four. Oh, how the tables have turned.

A smug smirk slipped its way onto his face and as he began heading towards the direction where Daki’s head should have fallen, he heard the clashing of weapons and your voice snarling, “You should have never touched my children, human.”

Your children.

No matter how many times Gyūtarō had heard you say it, it still filled him with a warmth that almost seemed…human. With your words echoing in his head, he leapt from roof to roof, scanning the ground until he spotted his sister, clearly fuming. Daki seemed to still be in the process of reattaching her head, holding a hand to each side to keep it still as her flesh fused together.

She scowled when he dropped down in front of her, immediately beginning to whine. “Brother! What took you so long?! Those brats beheaded me again! You killed them, right? Tell me you killed them all!”

Wasn’t this the fourth time her head had been cut off that night? As exasperating as that fact was, he had to admit, after knowing that they would have died without your intervention, he was relieved to see her being so lively.

“Mother is home.”

In an instant, Daki’s eyes lit up with delight. “Really? She’s back already? I have to go welcome her home then!” With her head now fully reattached, she rushed to her feet and started hurrying back to where they’d last been, eager to see you again.

As he followed after his sister, seeing how excited she was reminded him of the brief, mostly one-sided conversation he’d had with Tanjirō. It really was quite a pity that he’d refused his offer to become a demon. Gyūtarō had no doubt that if he had accepted, you would have welcomed he and his sister into the family. Well, not that it mattered anymore since the boy would be dead soon.

The three of you were a perfect family as it was and he knew that as long as you were together, nothing – no matter how many demon slayers or Hashira were sent your way – would be able to tear you apart.

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charons-empyrean · 2 years

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Imagine being the Upper Moon who discovers Gyutaro and Daki, instead of Douma

Pairing: Platonic!Mother!Reader x Gyutaro, Platonic!Mother!Reader x Daki Note: After rewatching the 2nd season, this idea stuck with me so I decided to write it out. It’s a bit self-indulgent, but I hope you enjoy this imagine/headcanon mix nonetheless <3

With each step that Gyutaro took, despair rooted itself deeper and deeper into his heart. The slight spark of hope he’d felt when he discovered his sister, whom had been so cruelly burned alive, was still breathing, had all but disappeared now. Even with life-threatening injuries of his own, he continued to carry Ume through the streets until he simply couldn’t anymore, his legs giving out beneath him. Laying on the freezing ground, his arms remained wrapped around his sister’s charred body as if to shield her from all of the world’s evil in their final moments.

So this was it, huh? They were just going to die in the middle of the Hanamachi district, out in the open for everybody to see. How long would their bodies be left there after they died? He couldn’t help but wonder as a sleepy fog began to settle over him. Perhaps the district’s residents would swiftly dispose of them the moment they were sure they were dead. After all, everyone there was cold-hearted in that way.

Close to death’s door, all he could feel was resentment towards the world and guilt of not being able to protect the only thing he treasured. Gyutaro had lived a shitty life, and now he was going to die a shitty death. Moreover, he’d doomed his sister to the same fate.

“Oh? What’s this?”

A mildly surprised voice cut through his haze and he cracked open his eyes.

Standing there in the falling snow, the moonlight giving her an almost ethereal glow, was a woman. She was dressed in only the finest of silks, her hair adorned with only the most elegant of accessories. A sharp fang poked out from between her lips and her eyes shone brightly in the night, the kanji Upper Moon Four engraved clearly in them.

She was absolutely breathtaking. Far too beautiful to be standing in front of such a dirty being like him.

Gyutaro could tell she was no human, but whether she was an angel or devil that had come to collect their souls, he only cared for one thing.

“You poor things.” She gazed down at them in pity. “How could anybody do this?”

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