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The Tides We Almost Lost

Summary:

Dazai Osamu didn’t expect much from a summer in the countryside — just silence, boredom, and his family pretending they weren’t falling apart.

Then he met Chuuya Nakahara.

What started as a sharp-tongued friendship became something neither of them could name. But summer doesn’t last forever, and the end came far too quietly.

Years later, when the city’s noise has long replaced the cicadas, Dazai finds that some things — and some people — never really leave you.

 

*Tags aren’t in order*
*Currently in an indefinite hiatus*
*First 3-5 chapters being slightly edited in grammar*

Chapter 1: A Spark Among Fireworks

Summary:

“Now, tell me — why were you panicking about this little whirlwind of chaos?”

Dazai rubbed the back of his neck.

“I… I’m fine. Really. Just… fireworks, and… the chaos,” he said, trying to sound casual, though he felt slightly flustered under Chuuya’s steady gaze.

Chuuya smirked faintly. “Well, don’t let her wander off again. You look like you’d explode if she did,” he teased lightly, his tone confident but not unkind.

Notes:

(See the end of the chapter for notes.)

Chapter Text

The car’s engine hummed along the winding coastal highway, tires whispering against the asphalt as sunlight fractured across the windshield. Dazai leaned his head against the glass, tracing the streaks with his fingers, letting the blur of hills, wildflowers, and distant cottages wash over him. The salty scent of the ocean drifted faintly in from the front open windows, mingling with the warm smell of leather inside the car.

“Osamu, try not to disappear into that window all day.” his mother called, voice light but carrying an edge that hinted at frustration beneath her usual cheer. She had sharp, elegant features—high cheekbones, blonde hair pulled into a precise bun, eyes that missed nothing, and a way of standing straight even when she wanted to collapse from exhaustion.

Dazai gave her a faint nod, muttering, “Yes, Mother,” in a low, careful tone. She handed him a thermos, condensation slipping through her fingers. “Iced tea. Don’t faint from boredom on me.”

He accepted it, letting the cool metal rest against his palm. “Much appreciated.”

In the front seat, his father—Mori Ougai, or rather by orders, Ougai at home—drove with a tense precision. His tall frame hunched slightly over the steering wheel, dark eyes scanning the road with a faint glint of impatience. Publicly, friends and associates knew him as Mori, the authoritative figure whose intelligence and reputation demanded attention as the CEO of Mori Corp. At home, Ougai was colder, his presence looming over the family, a mixture of quiet judgment and lingering pride. His sharp jawline and neatly combed hair gave him an air of control, but the tension in his shoulders spoke of a man who bore more than he let anyone see.

Beside Dazai, Elise—his nine-year-old sister—bounced lightly in her seat, fingers drumming on the upholstery. Bright-eyed and mischievous, she had her mother’s sharp gaze and her father’s strong jaw, though softened in youth. She hummed a tune, occasionally glancing at Dazai with a mix of curiosity and exasperation. “Are we there yet?” she asked, voice sweet but demanding, the kind of question that made Dazai want to smile and groan at the same time.

His parents exchanged a quiet glance, one that carried a thousand unsaid words. “We’ve still got some time till we’re there, Elise, dear.” His mother said.

The ride was polite, but the politeness was fragile, stretched thin over years of misalignment and quiet resentments.

The car turned off the main highway and wound along a narrow, cliffside path. The small town emerged, clustered cottages with weathered roofs and chimneys puffing faint smoke, streets cobbled and uneven. The ocean shimmered in the distance, sunlight fracturing over waves that rolled like slow, deliberate breaths. Children ran along the pier, their laughter carrying faintly on the wind, a sound both carefree and piercing in its innocence.

The vacation home appeared at the edge of the town, modest and whitewashed, its faded blue shutters flapping lightly in the breeze. The porch creaked under Dazai’s shoes as he stepped down, the wooden boards warm under his feet. Elise tumbled out behind him, backpack slipping from her shoulder, while Ougai adjusted his tie and glanced at the house with faint irritation masked as attention to detail.

Dazai lingered on the front for a moment before trying to escape from his family when they weren’t looking to go to the pier,

”Osamu.”

but he got caught.

“Help your mother bring her bags in.” spoke Ougai in a knowingly cold tone, one he’s used on Dazai more times than he can count.

Gritting through his teeth at Ougai’s steely stare. “Of course, Father.”  

•————————•

 

A few hours later, Dazai ended up going to the pier upon Elise’s demand to check it out. He leaned on the railing at the edge of the pier, thermos in one hand, toes tapping lazily against the wooden boards. Elise had vanished into the festival crowd a few minutes ago, no doubt drawn to some shiny toy or a cotton candy stand, leaving him with a quiet he rarely got. For a few moments, he let himself enjoy it: the breeze tugging at his hair, the salty scent of the ocean mixing with fried food from the street vendors, the distant hum of drums and laughter.

“Osamu! Are you seriously just standing there?” Elise’s voice rang out from behind him, sharp and insistent. “The music’s playing! You’re supposed to come see it!”

Dazai groaned and turned, leaning lazily on the railing with one elbow. “I’m… observing,” he said, tone casual but with a hint of mock seriousness. “Critical assessment of festival life. Somebody has to do it.”

Elise’s eyes narrowed. “Critical assessment? That’s just standing there and looking bored.”

He shrugged. “Boredom is the first step toward genius observation. You wouldn’t understand.”

She stuck her tongue out, tugging at his sleeve. “Come on! Cotton candy!”

Dazai allowed himself a small, reluctant smile. “Fine. Lead the way, oh fearless cotton candy conqueror.”

The festival streets were alive. Lanterns swayed gently in the breeze, and food stalls filled the air with the irresistible scent of sugar and something fried he didn’t want to think too hard about. Children ran past in chaotic flurries, laughter cutting through the noise of drums, performers, and occasional fireworks being tested early. Dazai noticed little details — the way a dog wove through the crowd, the expression of a frustrated vendor as a customer argued over a toy, the subtle twitch of a performer’s hands mid-song — cataloging everything with the quiet, teasing awareness he always had.

Elise dragged him to a ring toss stall, bouncing with excitement. “Try it! If you win, I’ll give you my magic stone!”

Dazai squinted at the rings, spinning one between his fingers. “Magic stone, huh? Sounds like a scam, but I suppose it’s worth the risk.”

“And if you lose?” Elise asked, crossing her arms and tilting her head.

Dazai shrugged, smirking faintly. “Then I entertain you until sunset. Truly, the sacrifices I make for family.”

He tossed the ring, missing completely, and Elise laughed so hard she nearly tripped over the edge of the stall. Dazai rolled his eyes but couldn’t hide a small grin. “Absolutely cursed,” he muttered.

Later, he wandered toward the edge of the pier, letting his arms rest on the railing as he gazed at the water. The festival’s chaos was still alive behind him, but here, above the waves and the wind, there was a strange sort of calm. He inhaled deeply, feeling the warmth of the sun on his skin and the gentle tug of the ocean breeze. For a moment, he allowed himself to just be — to notice the subtle dance of light across the water, the cries of distant seagulls, the faint warmth left from Elise’s laughter as it echoed down the pier.

And then he noticed someone.

A flash of red hair moved through the crowd, weaving with confidence, dodging festival-goers, hands gesturing emphatically as the boy argued quietly with a vendor over something trivial. He felt curiosity — a quiet, unspoken challenge. The boy was loud, confident, a little reckless, and undeniably compelling.

Dazai tilted his head, studying him as he would a puzzle, or a slightly irritating book he wanted to finish.

‘Interesting. Frustrating. Could be fun.’

The red-haired boy disappeared into the crowd before Dazai could get a closer look, leaving only a fleeting impression: stubborn posture, sharp movements, a defiance in his stance.

Dazai exhaled slowly, smirking faintly to himself. Somewhere, in that chaos of laughter and lanterns, someone had appeared who might make this summer… more interesting than it had any right to be.

He felt a faint tug of amusement. No words had been exchanged, no introductions made, and yet a subtle tension had settled in his chest — not unpleasant, just… promising.

The sun dipped lower, casting long shadows across the pier. Dazai took a sip from his thermos, leaning back and watching the water. His curiosity lingered, patient and insistent, like a whisper: something was coming, something worth noticing, and he knew, even without realizing it, that he wouldn’t be able to ignore it.

•————————•

 

The festival lights had fully taken over the streets now, painting everything in warm yellows and reds. Dazai walked behind Elise, keeping one hand lightly on her shoulder as she darted from stall to stall, pointing out toys and sweets she “needed” for reasons only she understood. The air buzzed with the smell of fried food, the laughter of children, and the faint scent of the ocean rolling in from the pier.

Then, in a split second, she slipped from his side.

“Elise?” Dazai called, panic threading through his voice just slightly. His heart skipped, not from fear, but from the tiny spike of dread he always felt when thinking of how Mori would react if he lost his sister.

Oh, Mori would flip.’>

He pushed through the crowd, scanning the stalls, his eyes darting to every corner. A surge of mild stress had him gripping his thermos a little too tightly. “Elise! You better not be—” He paused mid-step, thinking furiously of the list of minor catastrophes that could result from this.

A sudden bang made him flinch — fireworks had started somewhere over the pier, explosions of light scattering across the sky in brilliant reds, blues, and golds. The sound rattled through the crowd, momentarily masking everything else. Dazai squinted upward, shielding his eyes against a particularly bright spark, then scanned the crowd again.

And there she was.

Elise stood slightly apart from the crowd, giggling as she talked to someone — the red-haired boy he had noticed earlier. Relief surged through him, but it was quickly mixed with irritation and worry. He stormed forward, scooping her up by the wrist before she could dart again.

“Elise! Do you have any idea how dangerous it is to just run off like that?!” Dazai’s voice was sharp, trembling slightly with worry. “What if something had happened? Do you want me to—no, Father—to explode when he finds out?!”

Elise looked up at him, wide-eyed but still giggling with a mischievous smile. “I just wanted to see the fireworks up close! I’m fine, Osamu!”

Dazai exhaled, kneeling to meet her gaze. “Elise… don’t do that again, okay? You have to stick close. You’re small, and this place… it’s chaos.”

She rolled her eyes but nodded. “Okay, okay, geez!”

He let go of her wrist, still keeping a careful eye on her as he noticed the boy standing nearby. The boy wore a traditional festival outfit — dark patterned kimono, sash tied neatly — and he looked… astonishing. The red hair caught the lantern light, the blue eyes reflected the fireworks, and his calm, confident stance contrasted sharply with the chaos around him.

Dazai’s gaze flicked from him to Elise, who was still giggling, then back to the red-haired boy. He cleared his throat, trying to sound casual, though his mind was already spinning.

 

“Uh… I’m sorry about my little sister..,”

 

“It’s alright, I get it’s not easy watching little kids. Specially ones who are hyper.”

 

The stranger said with a toothy big grin, slightly bending down to Elise’s height (though it isn’t much).

 

“Pardon I haven’t introduced myself, i’m Dazai Osamu, and you..?”

 

The boy straightened slightly, letting the edge of his kimono shift with the breeze. A confident smirk tugged at his lips, and his blue eyes caught the glow of the lanterns in a way that made him seem almost impossible to ignore.

“Chuuya, Chuuya Nakahara.”He said, voice calm but carrying a quiet certainty, like someone who knew exactly who he was and expected the world to notice.

Dazai blinked, momentarily stunned. He had expected a simple, casual answer — maybe a shrug, maybe a nod — but this… this carried a weight, a presence that made the crowd around them blur slightly in the corner of his vision. ‘Interesting. Frustrating. Definitely worth paying attention to’, he thought.

Chuuya’s gaze flicked to Dazai briefly, as if measuring him, before he glanced back at Elise, a faint teasing smile playing at his lips.

 

“Now, tell me — why were you panicking about this little whirlwind of chaos?”

 

Dazai rubbed the back of his neck.

“I… I’m fine. Really. Just… fireworks, and… the chaos,” he said, trying to sound casual, though he felt slightly flustered under Chuuya’s steady gaze.

Chuuya smirked faintly. “Well, don’t let her wander off again. You look like you’d explode if she did,” he teased lightly, his tone confident but not unkind.

Dazai allowed himself a small smirk despite himself. “Yeah, well… someone has to survive to handle her. And someone has to survive father’s lectures.”

Elise tugged at his sleeve. “Come on, Osamu! Let’s go back!”

Dazai glanced at Chuuya one last time and gave a short nod, still trying to process the sight of him. Chuuya returned the nod with a faint smile, and without another word, Dazai scooped Elise up slightly to keep her close, and they began the walk back toward the vacation home.

The sound of fireworks followed them like a fading echo, but Dazai couldn’t stop replaying the image of Chuuya — the red hair, the confident posture, the smirk, the blue eyes that had seemed to pierce through the crowd. He told himself, with a faintly sarcastic edge, ‘Yeah… I hope I never see him again. Really. Absolutely never.

And yet, buried beneath the teenage sarcasm and denial, a spark of curiosity refused to die.

Lying in bed later, the ceiling above dark except for the faint reflection of fireworks outside and the quiet sound of cicadas outside, he stared quietly. The image of Chuuya lingered in his mind, unbidden and persistent. He rolled onto his side, letting the warmth of the night lull him toward sleep.

”Not that I’d mind seeing him again…” he muttered under his breath, his teen sarcasm hiding the truth he wouldn’t admit even to himself.

Notes:

GOD DAMN
I haven’t written a fanfic in YEARS
anyways I hope yall liked it since it’s my first one since like 2021 and I would def like some feedback.