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To Witness You in Monochrome

Summary:

They say the heart only breaks in secret.

For Jungkook, loving his best friend Taehyung has always been a quiet, beautiful sacrifice. But when Taehyung's heart finds a home elsewhere, the silent, unrequited grief takes a devastating physical toll. Caught in the grip of a rare, terminal affliction that turns tears to stone, Jungkook's world begins to go systematically dark, one color at a time.

Forced to paint through the creeping gray, Jungkook struggles to hide his failing sight, while Taehyung remains entirely blind to the tragic price of his own comfort.

Fom this 200404 Prompt

Chapter 1: The Luminance of Spring

Chapter Text

 

The afternoon light inside the main studio of the university’s fine arts department always possessed a heavy, almost liquid quality. It drifted lazily through the towering industrial windows, catching the suspension of dust motes and turning them into floating flakes of gold whenever the sun hit the high glass panes just right. It was a space that felt permanently suspended in time, smelling deeply of strong solvents, damp canvas, linseed oil, and the dry, sweet scent of raw cotton linen. Every surface bore the scars of generations of creative chaos. The heavy oak floorboards were stained with overlapping rings of dried cobalt, burnt umber, and lacquer, while the wooden stools were dark with the grease of a hundred different hands that had gripped them in moments of intense inspiration or quiet despair.

Kim Taehyung sat on the wide stone window sill, one leg drawn up to his chest, a soft charcoal pencil balanced loosely between his long, paint-stained fingers. He was not looking at the large, blank canvas resting on his own wooden easel nearby. His gaze was anchored entirely on the boy sitting a few feet away, illuminated by the dusty golden beam.

"Jungkook, if you tilt your chin even a millimeter to the left, I am going to draw a massive mustache on your final submission portfolio," Taehyung warned, his deep, gravelly voice carrying an easy, rumbling affection that entirely ruined the authority of the threat.

Jeon Jungkook let out a soft, breathy laugh that vibrated warm against his collarbone, but he dutifully froze his posture. He kept his profile turned toward Taehyung, his large doe eyes reflecting the golden afternoon light with an uncanny, liquid depth. At twenty-one, Jungkook was the undisputed heart of the fine arts department. It was not merely due to his technical genius, the effortless, almost frightening precision with which he could command a brush or map out complex spatial anatomy, but the raw, magnetic innocence he carried in a competitive university environment. His eyes were particularly famous across the campus. They were remarkably large, framed by thick, dark lashes, and they held a brilliant, starry clarity that always seemed to catch the ambient light of whatever room he entered. Whenever he spoke about a new oil technique, an underground gallery he had discovered in Mapo, or a rare vinyl record he had unearthed in a vintage shop, his irises would seem to spark, resembling two small night skies holding the light of a thousand distant galaxies.

"My left foot went entirely numb fifteen minutes ago, hyung," Jungkook complained, his voice quiet but filled with a soft, indulgent fondness. "And the light is shifting across the floor anyway. You're losing the shadow line."

"Just thirty more seconds," Taehyung pleaded, his focus never wavering as his pencil darted across the textured surface of his sketchbook, the rhythmic scratching of the lead the only sound in their quiet corner of the room. He was capturing the sharp line of Jungkook's jaw, the soft slope of his nose, and the way his dark hair fell slightly over his forehead.

They had been an unbreakable pair since their freshman orientation three years ago. They shared a cramped, sunlit apartment just three blocks from the university gates, split the cost of expensive pigment tubes, and guarded each other’s vulnerabilities with a fierce, unspoken loyalty. To their professors and peers, they were a singular entity. Taehyung and Jungkook, moving through the university in a blur of paint-stained denim, late-night convenience store ramen runs, and shared laughter that seemed to insulate them from the rest of the world.

Taehyung tore the sheet from his sketchbook and slid off the stone sill, his oversized cream-colored sweater pooling around his wrists. He dropped onto the bench next to Jungkook, thrusting the drawing into his hands. It was a beautiful, tender rendering, every line filled with a deep, unexamined affection.

"See? Perfection," Taehyung said proudly, leaning his shoulder heavily against Jungkook’s.

Jungkook looked down at the paper, his heart performing a familiar, painful flutter against his ribs. He loved the way Taehyung saw him through charcoal. He loved the easy, grounded weight of Taehyung’s shoulder against his own. For a long time, this quiet domesticity had been a safe, beautiful world.

But it was a world built on a foundation that Jungkook had to keep hidden from Taehyung at all costs. Up until now, none of their friends had any idea how deeply Jungkook was pining. He had done an impeccable job masking the quiet longing behind the shield of a best friend. He stayed silent because he was utterly terrified of making Taehyung uncomfortable or breaking the one safe harbor he had.

The heavy wooden door of the studio creaked open with a low groan, admitting the sudden chill of the late autumn wind from the hallway.

"Hey, creative geniuses," a gentle, melodic voice called out.

Taehyung’s head snapped up instantly. His entire face illuminated, a brilliant, radiant smile breaking across his features in a way that made Jungkook’s stomach drop into a cold, hollow void.

Park Bogum stood in the doorway, wearing a camel-colored wool coat and a warm, easy smile. He was a senior from the theater department, handsome, articulate, and carrying a brown paper bag from the bakery down the street that smelled heavily of cinnamon and warm butter.

"I hoped I wasn't interrupting the masterclass," Bogum said, walking over the creaking floorboards and placing his hand naturally, comfortably on the nape of Taehyung’s neck.

Taehyung melted into the gesture immediately, leaning his head back against Bogum’s side with a soft, contented sigh. He reached up, weaving his long fingers through Bogum’s with a fluid familiarity that felt like a physical strike to Jungkook’s chest.

"You're never interrupting," Taehyung said, his voice dropping into a sweet, melodic cadence that Jungkook had never heard him use with anyone else. "Jungkook was just complaining about his foot going numb. Did you manage to get the cinnamon pastries?"

"Of course I did," Bogum smiled, his gaze shifting down to the younger boy. "Hi, Jungkook. You look a bit pale today. Have you been sleeping at all? Taehyung mentioned you were pulling an all-nighter for the digital composition deadline."

"Hi, hyung," Jungkook said. He forced his lips to stretch into a polite, hollow smile, a rehearsed mask he had perfected over the last three months since Taehyung had walked into their apartment and told him they were dating. "I'm fine. Just the usual mid-term rush."

As he looked at them, at the effortless way Taehyung held Bogum’s hand, the small, subconscious way Taehyung rubbed his thumb against Bogum's knuckles, and the absolute adoration radiating from Taehyung’s eyes, a sharp, sudden pain flared behind Jungkook’s right eyelid. It did not feel like a standard headache; it felt like a hot, dry grain of sand scratching violently against the delicate, soft tissue of his tear duct.

He blinked rapidly, his chest tightening as a sudden, shifting blur washed over his vision.

When he looked down at his lap, the vibrant orange peel in his hands looked strangely wrong. The bright, cheerful warmth of the citrus hue seemed to bleed at the edges, losing its saturated vibrancy, flattening out until it turned into a dull, chalky, lifeless off-white.

 

Jungkook frowned, his heart giving a small, anxious thud. He rubbed his knuckles firmly against his eye, trying to clear what he assumed was a fleck of dried charcoal dust. He didn't think much of it, attributing it to the dry air of the studio and the late nights spent under fluorescent lights. He did not know that a silent, irreversible clock had just started ticking.