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Under the Veil of Crimson Light

Summary:

In the sprawling Island city of Kure Jima, the nights have grown longer — and darker. Whispers speak of a growing "Veil" that descends after dusk: a crimson shimmer in the sky, visible only to those touched by the supernatural.

Caelus , an aloof and seemingly ordinary high school student, has spent his life trying to stay unnoticed — until that night , a crimson moon , a burning city block and a boy with blood in his hand what happened....who is she...why he kile....so many questions waiting to be answered.

Notes:

well hello there , its my first time writing a fanfic in Ao3 well first time writing anything really i do not really know how to tag properly neither do i know if i could write a enjoyable story to read but i would try so please correct me if you guys find something wrong or u want give suggestions, feedback or criticism anything really and thank you for reading.

Chapter 1: Duskveil's Reckoning"

Chapter Text

On the floating island of Kure Jima, 250 km from Noctheris, a place where humans and other species coexist together, where many mysteries hide and many mysterious characters lurk in the shadows if u ask the old residents u will found out that this island have knack for attracting trouble but is it really true and if it is then why... In the heart of a blazing city district, severed from the main island, a boy stood trembling, his blood-stained sword heavy in his hand. Before him, a pink-haired girl smiled, her face obscured, her clothes soaked in blood that dripped from a gaping wound in her chest where a blade had pierced her. The air was thick with smoke and despair, mirroring the boy’s spiraling emotions—fear, confusion, and a searing anger at himself that gnawed at his core. Lost in the chaos, he unleashed a scream of agony, the sound tearing through the inferno.

 

Then, with a jolt, he awoke, drenched in sweat, tangled in his bedsheets, the haunting vision lingering like a ghost in his mind. Caelus jolted awake, drenched in sweat, the same haunting dream gripping him—a fiery city, his blood-stained sword, and the pink-haired girl, her faceless smile and bleeding chest etched in his mind. Why did it torment him? What happened that night? His memories were a jumbled haze, each attempt to recall them met with excruciating pain that tangled his thoughts into knots. Shaking, he stumbled to the bathroom, brushing his teeth and splashing water on his face to shake off the dread, preparing for another day at high school—his second year. In the dining room, his little sister, smiling warmly, set out breakfast; their parents, often absent due to work, left them to handle the household. Over small talk and toast, they chatted lightly before getting ready. Caelus pulled on his favorite black hoodie, covering his gray hair and shielding his face from the sunlight he’d come to loathe, then walked alone down the street toward school, the dream’s weight lingering in every step.

Walking through the bustling streets to school, Caelus passed countless unfamiliar faces, their features blending into a blur he didn’t bother to memorize—maybe he’d seen them before, maybe not. His mind wandered with random thoughts, a desperate attempt to drown out the nightmare of the burning city and the pink-haired girl that had haunted him these past days. Lost in this mental fog, he barely noticed his surroundings until he collided with someone, snapping back to reality. Papers scattered across the pavement, and he instinctively bowed, mumbling apologies as he helped gather them. Looking up, he saw her—a strikingly beautiful woman with luminous, almond-shaped eyes that shimmered like amber in the morning light, her raven-black hair cascading in soft waves past her shoulders, and a serene smile that seemed to radiate warmth. Her elegant frame was draped in a flowing, emerald-green coat that caught the breeze. Suddenly, Caelus’ mind grew hazy, a strange urge surging within him, his body trembling as if pulled by some unseen force. Clenching his jaw, he bit his tongue hard, a trickle of blood dripping from the corner of his mouth as he fought to stay in control. The woman’s smile widened, her voice soft and melodic as she spoke, but he ignored her, heart pounding, and hurried toward school with quick, unsteady steps, leaving her words behind.

Caelus reached his classroom, shrugged off his bag, and slumped into his seat, the room still mostly empty in the early morning quiet. He scrolled aimlessly through his phone until a gentle hand rested on his shoulder. Turning, he met Dan Heng’s calm, familiar smile. “Yo, how are you?” Dan Heng asked, sliding into the seat beside him. Caelus forced a smile. “All good. You?” “Same as always,” Dan Heng replied, their friends since fr middle school days. As they chatted, a cheerful voice cut through. “Caelus!” It was March 7th, his childhood friend, trailed by her friend Sabine. “What’re you two boys discussing this early?” March teased. “It’s not early anymore, March,” Caelus shot back, “and it’s nothing important Dang heng said.” She snickered, hmph. Soon, their homeroom teacher, Madam Herta, a renowned genius, strode in, and the students scrambled to their seats. The first day of Caelus’ second year began uneventfully—classes droned on, which suited him fine. At lunch, sitting with Dan Heng, March, and Sabine, he overheard some boys buzzing about a rumor: a cute junior transfer student with beautiful white hair had joined the first-year class. Normally, a teenager might perk up at such gossip, but Caelus felt nothing stir. These days, little interested him. He wasn’t normal—not by a long stretch. That part of him had been stripped away at birth, and some memories, sharp and dangerous, were better left locked away.

After parting ways with his friends post-school, Caelus headed toward the grocery store—his dear little sister had insisted he pick up supplies on the way home, claiming she couldn’t manage it herself. Yeah right, that little raccoon, he thought, but he’d rather not face her fury and risk skipping dinner, so he complied. Groceries in hand, he began the walk home along the footpath, finally acknowledging the nagging issue that had plagued him since leaving school: someone was tailing him. He’d glanced back several times, spotting nothing, but his instincts screamed otherwise—this wasn’t paranoia. Who could it be? They wouldn’t dare act in the bustling afternoon streets, but to lure them out without leading them straight to his door, he needed a plan. Veering into a quieter, emptier alley, Caelus heightened his senses, ears sharp, hands poised in his jacket pockets, ready to defend if this stalker tried anything. Moments later, a ruckus erupted behind him; turning, he spotted two delinquent-looking men harassing a beautiful young girl. Sigh, these types never learn, he mused. Closer inspection revealed she wore their school uniform—definitely a year younger than him—with a delicate presence: long, flowing silver-gray hair cascading down her back in a soft, luminescent gradient, strands framing her face to enhance her gentle yet mysterious aura, and captivating teal eyes exuding calm intensity. She matched the description from lunchtime rumors perfectly; this had to be the cute white-haired transfer student. As he pondered, one thug grabbed her hand, her expression twisting in displeasure. Deciding to intervene, Caelus stepped forward—just as the girl delivered a swift kick to the grabber’s groin. The man groaned, stumbling back in pain, while she leaped away, unzipping her guitar case to reveal—not a guitar, but a three-pointed long battle spear. Why a schoolgirl carried such a weapon was irrelevant; from her fierce gaze, she had no intention of letting these assholes off easy. Caelus hurried closer as one snarled, “You fucking bitch, I’ll make you pay for that!” Their bodies morphed grotesquely—height surging, muscles bulging, teeth sharpening into fangs. Werewolves? No, more specifically borisins, a subspecies of foxians. Oh great, Caelus thought, now dealing with a spear-wielding deadly lady and these two dumbasses. The kicked borisin lunged at her with feral speed, claws extended, but she pivoted gracefully, her spear whipping around to slash at his arm, drawing a spray of blood as he yelped and recoiled. The second borisin charged from the side, jaws snapping, aiming to tackle her, but she spun low, thrusting the spear’s butt into his knee with a crack, sending him sprawling. Undeterred, the first recovered and swiped wildly, forcing her back, but she countered with a fluid arc, the spear’s tips grazing his chest and tearing fabric and fur. He roared, transforming further, his companion rising with a limp to flank her. They attacked in tandem—one slashing high, the other low—but she leaped, using the spear as a vault to flip over them, landing behind and sweeping the blade across the second’s back, eliciting a howl of agony as he dropped to his knees. The first whirled, but she was faster, jabbing the spear into his thigh, twisting it before yanking free, blood pooling as he collapsed, clutching the wound. Victorious, she raised her spear high, poised to deliver a final, serious blow to the downed borisin’s chest—until Caelus surged forward, grabbing the shaft just in time, halting her strike mid-descent, his grip firm as he met her intense teal eyes.“You wanna go to jail or something?” Caelus snapped, locking eyes with the girl’s intense teal glare, his hands straining to hold back her spear. Before she could respond, the second borisin lunged at her, shoving her back. Caelus reacted swiftly, driving a hard punch into the borisin’s stomach, sending him crashing into a nearby wall with a crack that spiderwebbed the concrete. Turning his attention to the two battered delinquents, he hissed with venom, “You guys wanna run with your tails between your legs, or should I call the police?” Knowing they stood no chance after the thrashing from the girl, the borisins limped away, disappearing into the alley. Caelus sighed, turning to the mysterious spear-wielding girl. “You know, you shouldn’t commit murder in the stre—” His words caught in his throat as he faced her, her spear now pointed directly at his chest, her eyes sharp and unyielding. Before he could speak, her voice cut through, cold and deliberate: “Caelus Duskveil, the fourth Duskborne lord of the night, I have come here to kill you.”