(Yandere!Demon Slayer x F!Reader)
(Warning! Major Themes of Blood, Gore, and Suicide)
红颜薄命 : Beautiful women suffer unhappy fates.
Everybody wants to be beautiful. People who believe they aren't, try their best to achieve it. People who believe they...
!!!WARNING!!! This story contains heavy themes of blood, gore, suicide, s*xual-assault, self-harm, and yandere themes.
Story contains spoilers from the anime and manga.
Reader's Discretion is Advised
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[ Arc 4 : 涅槃 ]
Under the silver glow of the moon, Y/N sat with her knees pressed into the tatami flooring. Before her was a mirror and as she stared at her reflection in the dim room, the weight of her past enveloped her like a heavy shroud.
In her hands was a freshly painted mask. Her fingers caressed the crevices engraved into the wood. Years of wearing a mask had been a shield, a barrier against the insatiable obsession that clung to her like a shadow.
At first, it had been her mother's warnings that guided her, each gentle whisper a reminder of the chaos her beauty could unleash. But as time wore on, she had cast aside the mask, emboldened by a fierce resolve, believing she could defend against the hearts that sought to possess her.
Yet now, in the stillness of the night, the truth unfurled before her: with every glance, she had sown seeds of longing and despair among those who dared to look upon her face. The twisted desire filled eyes of those she had unknowingly hurt haunted her, a tapestry woven with threads of regret and sorrow.
So, she lifted the mask to her face once again, this time not out of fear, but out of compassion—a profound desire to protect those she cared for from the tumultuous tides of her existence.
As she fastened the delicate straps behind her head, the cool surface felt like an embrace, a promise to herself and to the world that she would no longer be a vessel of heartache. In this new guise, she found a bittersweet solace, a balance between her beauty and the burden it carried, transforming her pain into a quiet strength.
"So you've decided to wear one again?" a soft voice called behind her. Hunger stabbed at Y/N's stomach as the scent of the human woman filled the room. The former phoenix pillar could feel her own sharp teeth dig into the insides of her mouth.
"It's not for me anymore," she said quietly.
She could feel a familiar presence force its way out from the depths of her mind.
You're making very foolish decisions, Y/N. First you spare the Kamado boy and now you seek refuge with a former pillar?
Her head rang causing her to grasp at her hair as a futile attempt to rid the former demon progenitor from her thoughts.
"Are you alright, Y/N?" Kayako attempted to place a comforting hand on the woman's shoulder but in the blink of an eye, Y/N was on the other side of the room shrouded in darkness.
In the dim light of the room, shadows danced along the walls like phantoms of her past, swirling with the weight of memories that clung to her like a second skin. The former phoenix pillar stood there, heart racing, her hands trembling at her sides, each pulse a reminder of the insatiable hunger gnawing at her insides - a hunger that roared with the ferocity of a thousand demons.
Once, she had been a woman of compassion and determination, haunted by the trauma of her childhood with the bitter taste of flesh and bone lingering in her mind like a nightmare she could not shake. At least then, just the thought of consuming humans made her nauseous. Now, fused with the essence of the creator of demons, his dark power courses through her veins, amplifying a demon's innate desires, urging her to succumb to the primal instinct she fights so hard to suppress.
Across the room, the woman who had raised her, the anchor of her humanity, watched with eyes filled with love and concern. The warmth of that gaze stung her heart, a tether to the life Y/N desperately wished to preserve.
As the cruel and unhinged whispers of Muzan echoed in her mind—seductive, relentless—Y/N pressed her palm against her chest, willing the storm within her to quiet, to retreat.
"Please... It's harder to handle... since he..."
Each breath she took was a battle, a fragile act of defiance against the very nature she had been transformed into, as she clung to the hope that love could still prevail over the darkness that craved her surrender.
A deep ache stabbed at Kayako's heart as her eyes scanned over the figure of the young lady she had raised. Despite not being bound to her by blood, the bond they formed throughout the years was just as strong as any woman had with her child. Though their appearances were nothing alike, the demon in front of her -- the monster with such sad eyes -- was her daughter.
You need to eat, Y/N. It's only a matter of time before you cave. The woman's old but she's a suitable source for now.
Y/N scowled and fought against him with every bone in her body. With the last of her crumbling resolve, she rushed out of the window and into the dark forest.
· · ─────── ·𖥸· ─────── · ·
Y/N moved silently among the shadows, her senses sharp and heightened, the urge to devour human flesh clawing at her insides like a relentless beast. The red kimono she donned dragged along the dirt as she trudged through the quiet forest.
Each step felt like a struggle, a constant battle against the darkness that whispered in her ear, urging her to give in. As she walked, something shifted within her. Y/N would not allow Muzan to win against her.
Fighting back, she clenched her fists and grit her teeth, summoning every ounce of willpower to quell the hunger that threatened to consume her. As she fell to the floor, grasping the soil with her cold fingers, the whispers that tormented her had finally ceased.
Suddenly, a sound pierced the stillness—a soft, heart-wrenching cry of a child. Unconsciously, she followed the sound, her heart pounding in her chest as the instincts of her former self fought against the remnants of her humanity.
There, nestled against the gnarled roots of a tree, sat a small boy, tears streaming down his cheeks, his little body shaking with quiet sobs.
As she drew closer, the sweet scent of wisteria enveloped her, mingling with the crisp night air, grounding her in the moment. It was a fragrance that invoked memories of safety and peace, tugging at the deepest parts of her heart.
The child looked up, his wide eyes filled with fear and longing. "I got lost," he whispered, voice trembling. "I don't know how to go back."
In that moment, her hunger faded, eclipsed by an overwhelming desire to protect this fragile soul. The boy's vulnerability pierced through the veil of her monstrous nature, and instead of the familiar urge to feast, she felt an urge to comfort.
She knelt beside him, a fierce resolve igniting within her. "You're safe now," she said softly, her voice steady despite the turmoil within. "Let's get you home." And for the first time in a long while, she felt a glimmer of hope—a chance to be more than the darkness that sought to claim her.
Y/N picked up the child. Once he felt the comfort of another's embrace, the little boy's eyes slowly fluttered shut, the last of his energy fading. Unwilling to leave the child alone but unsure where to bring him, the phoenix demon had no choice to bring the child back to the home she shared with her teacher.
