Beneath the Bougainvillea

The white van pulled into the resort's circular driveway covered in stickers from convenience stores and fast-food joints—proof of the seven-hour drive from Hyōgo. The Inarizaki boys' volleyball team spilled out like clowns from a tiny car, stretching limbs and cracking necks after being cramped together with duffel bags and the lingering smell of menthol muscle rub.

Osamu Miya stepped onto the sun-warmed pavement and the ocean breeze hit him. The hotel was huge—cream-colored stucco, bougainvillea everywhere, infinity pools that looked like they bled into the sky. Palm trees swayed like they were dancing. Somewhere far away, a steel drum band played a reggae version of a J-pop song.

"Oi, 'Samu! Stop gawking and grab my bag too!"

Atsumu's voice cut through his thoughts. She was already out of the van, stretching her arms above her head, her crop top riding up to show a sliver of tanned stomach. Her shorts were basically non-existent. Osamu felt his jaw tighten.

"Carry your own damn bag," he muttered, but he grabbed both their duffels anyway because if he didn't, she'd leave hers in the lobby and complain about missing socks later.

The team filtered into the air-conditioned lobby. The check-in counter had a girl in a floral uniform who smiled way too bright at Kita-san. Osamu scanned the group. Suna stood a little apart, phone in hand, head tilted as he typed something. He was wearing those blue shorts—the ones with the tiny boat patterns. Osamu had noticed them the moment Suna got out of the van. The shorts were old, faded, and the boats were cartoonish, like something from a kid's bathroom. But on Suna, with his long legs and that lazy slouch, they looked weirdly cute.

Osamu felt a familiar warmth creep up his neck. He looked away.

"Aren't those the shorts from summer camp last year?" he asked, trying to sound casual.

Suna glanced up, one eyebrow raised. "Yeah. They're comfortable."

"You've worn them every day since."

"So? I wash them." Suna's tone was dry, but the corner of his mouth twitched. "You keep tabs on my laundry, Miya?"

Osamu's ears burned. "Shut up."

Before Suna could say anything else, Atsumu bounded over, her voice bright enough to shatter glass. "Rin! We got adjacent rooms! Wanna hit the beach in an hour? I'm gonna change into my new bikini!"

Suna looked at her—really looked—and Osamu saw his gaze flicker down her frame for a fraction of a second. "Sure," Suna said. "I'll meet you by the pool."

Osamu's chest tightened. No. That was fine. Suna was just being polite. They were all teammates. Friends. Nothing more.

But as Atsumu skipped toward the elevators, already pulling out her phone to take selfies in the lobby mirrors, Osamu felt that familiar, gnawing need to keep her in check.

---

By the time they all reached their rooms, changed, and met back up at the pool, the sun was starting to go down, painting the sky orange and pink. The resort's main pool was a massive infinity edge that looked like it dropped straight into the ocean. Lounge chairs were scattered everywhere, filled with guests sipping cocktails topped with umbrellas and pineapple wedges.

Osamu found a chair near the shallow end, away from the chaos of the team cannonballing into the water. He watched Ginjima and Akagi try to dunk each other while Kita sat primly under an umbrella, reading a fishing magazine.

Then Atsumu walked out.

The bikini was lime green, a triangle top held together by what looked like dental floss. The bottoms were high-cut, tied at the hips with little bows that seemed designed to be untied with a single tug. Her hair was loose, damp at the ends, and she wore sunglasses shaped like stars.

Every male head within fifty meters turned.

Osamu's hand tightened on the armrest. "Are you kidding me?"

Atsumu struck a pose, hand on her hip, and gave a little twirl. "You like it? I got it from that boutique in Tokyo. The one with the—"

"I can see what kind of boutique," Osamu snapped. He stood up, walked over, and grabbed her elbow. "What the hell are you wearing?"

"A bikini?" She laughed, tugging her arm free. "Relax, 'Samu. It's a beach resort. Everyone's wearing swimsuits."

"They're not wearing this." He gestured vaguely at her, face hot. "You look like a walking billboard for—for I don't even know what."

Atsumu rolled her eyes. "You're so dramatic. I look great. Rin said so."

Osamu's blood ran cold. "Suna saw this before you came out?"

"Yeah, I showed him when I changed. He said the color suits my skin tone."

Something ugly coiled in Osamu's stomach. He forced himself to breathe. "You shouldn't be walking around like that. There are creeps everywhere."

"You sound like Dad."

"Someone has to sound like Dad, because you sure don't have a brain in that pretty head."

Atsumu's smile flickered. For a second, she looked hurt. Then she stuck her tongue out and jogged toward the pool, diving in with a splash that got Osamu's shorts wet.

He stood there, dripping, watching her surface near Suna, who was floating on a pool raft, arms behind his head. Atsumu splashed him playfully, and Suna opened one eye, smiled lazily, and said something that made her laugh.

Osamu turned away.

---

The vacation continued in a rhythm that grated on Osamu's nerves. Mornings were tolerable—breakfast buffets where the team loaded up on rice and grilled fish, then practice sessions on the resort's sand court. But afternoons turned into a free-for-all of sunbathing, volleyball, and poolside games. And through it all, Osamu found himself watching.

Watching Atsumu laugh with strangers. Watching men approach her with drinks, with compliments, with easy smiles that made his skin crawl. Watching Suna drift in and out of her orbit like a satellite.

On the third day, Osamu tried to corner Suna. He'd planned it—a walk along the beach at sunset, just the two of them. He wanted to say something, anything. Maybe confess. Maybe just test the waters.

But when he reached Suna's room, it was empty. A text came ten minutes later: "Sry, went to help Atsumu find her earring at the pool. Catch u later?"

Osamu stared at the screen. He typed and deleted three responses before settling on: "Whatever."

That night, during a team barbecue, Osamu sat next to Ginjima, brooding while everyone else laughed. Suna sat across the table, beside Atsumu, and she was feeding him a piece of grilled squid off her chopsticks. Suna took it without hesitation, chewing slowly, looking at her with that quiet, unreadable expression.

Osamu stabbed a piece of beef with unnecessary force.

"You okay?" Ginjima asked. "You look like you're about to kill someone."

"I'm fine."

"You've been staring at Suna and your sister all week."

Osamu's chopsticks froze. "I have not."

Ginjima shrugged. "Sure. Also, you should know—Atsumu told me she thinks Suna's cute. Just saying."

Osamu set down his chopsticks. His appetite was gone.

---

The pool party on day five was the last straw.

It was a team-organized event, complete with inflatable floats, a volleyball net set up in the shallow end, and a cooler full of soda and sports drinks. The sun was brutal, beating down with the kind of heat that made you forget your own name. Osamu wore a simple black rash guard, not wanting to bake his skin off.

Atsumu, of course, was in the same green bikini, now with a sheer cover-up that did absolutely nothing to cover anything.

She was in the water, laughing, playing a game of chicken with some guys from the neighboring team. She was on top of a broad-shouldered setter, her legs wrapped around his neck, the other team trying to knock her off. Her cover-up floated away, forgotten. Cameras clicked. Whistles blew.

Osamu had to physically stop himself from diving in and dragging her out.

"Settle, Miya." Kita's voice, calm and steady, came from beside him. "She's having fun. It's controlled chaos."

"She's not wearing enough fabric to call it a swimsuit."

"She's an adult, 'Samu. You can't protect her from everything."

Osamu ground his teeth. "She's naive. She doesn't see how people look at her."

"She sees," Kita said, turning a page in his magazine. "She just doesn't care. And honestly? That's her right."

But Osamu wasn't listening anymore. Because in the pool, the game had ended. Atsumu had slipped off her partner's shoulders, and now she was wading toward the edge, where Suna sat, dangling his legs in the water. She said something. Suna laughed—a genuine laugh, not the dry chuckle he usually gave—and then she put her hand on his knee.

Suna didn't pull away.

The world narrowed to a pinprick. Osamu stood up, knocking his chair over. The sound drew a few looks, but he didn't care. He walked away, toward the hotel, toward his room, where he sat on the edge of the bed and stared at the ceiling until his breathing steadied.

This was fine. He was fine. It was just a hand on a knee. Teammates did that.

Except they weren't just teammates. And Osamu knew it.

---

That night, sleep refused to come.

Osamu tossed and turned until the digital clock read 1:47 AM. The hum of the air conditioner and the distant crash of waves did nothing to soothe him. He needed air. He needed to walk.

He pulled on shorts and a T-shirt, padding barefoot through the hallway. The corridor was dim, lit only by emergency lights and the occasional glow from a room's peephole. He passed Atsumu's door. It was closed. Light seeped from beneath it.

He paused.

Was she still awake? He lifted a hand to knock, then stopped. No. He didn't want to fight again. He'd already scolded her twice today—once for her swimsuit choice, once for drinking a stranger's cocktail. She'd called him a buzzkill and slammed her door.

He let his hand fall.

But then he heard it. A sound. Muffled, but unmistakable. A giggle. A low murmur. And then a soft, rhythmic creak.

Osamu's blood turned to ice.

He pressed his ear to the door. The sounds grew clearer—a breath, a gasp, the rustle of sheets. His sister's voice, breathless: "Rin..."

Something snapped inside him.

He didn't think. He grabbed the handle. The door was unlocked. It swung open.

The room was bathed in the amber glow of a bedside lamp. Clothes were scattered on the floor—the green bikini, a pair of blue shorts with boat patterns. On the bed, tangled in white sheets, were two figures.

Suna was above Atsumu, their mouths inches apart, her legs wrapped around his waist. They froze at the sound of the door hitting the wall.

Time shattered.

Osamu stared. His sister's face, flushed, eyes wide with shock. Suna's back, muscles tensed, his hair disheveled. The sheet had slipped, and Osamu saw more than he ever wanted to see.

He backed away. One step. Two.

"Osamu—" Atsumu started.

He turned and ran.

The hallway blurred. He hit the stairwell, descended three flights, burst out onto the beach. Sand filled his flip-flops, slowed him down. He kicked them off and kept running until his lungs burned, until he collapsed onto the wet sand near the waterline, gasping.

The waves lapped at his feet. The moon was full, casting a silver path across the ocean. He sat there, arms wrapped around his knees, and let the shame and anger and heartbreak wash over him in turns.

He didn't know how long he sat there. Minutes. An hour. But eventually, he heard footsteps crunching in the sand behind him.

" 'Samu."

He didn't turn.

Atsumu sat down beside him. She was wearing a hotel robe, hastily tied. Her hair was a mess. She looked small, shivering despite the warm night.

"I'm sorry," she whispered. "I didn't know you—I mean, I didn't know you liked him."

Osamu laughed bitterly. "So you'd have stopped if you knew?"

"No. I mean—I don't know. I didn't know. You never said anything."

"I didn't say anything because I'm a coward."

"You're not a coward. You're just... bad at talking."

More footsteps. Suna appeared, wearing only his board shorts, a towel around his neck. He stood a few feet away, not daring to come closer.

"Osamu," he said quietly. "I'm sorry. I didn't realize."

"Didn't realize what?" Osamu's voice cracked. "That I've been looking at you like a lovesick idiot for two years? That I know you take your coffee black, that you hum when you're focused, that you sleep with one eye open? How could you not realize?"

Suna was silent for a long moment. Then he said, "Because you never told me. And because I was looking at her."

The admission hit Osamu like a punch to the gut. He closed his eyes.

"I'm sorry," Suna repeated. "I should have been more aware. But I—I didn't know it was that deep for you."

Osamu opened his eyes. They were wet. "It's not," he said, surprising himself. The words came out hollow, but true. "It's not that deep. I thought it was. I built it up in my head. But right now, sitting here, I realize... I was more worried about protecting her than I was about loving you."

Atsumu let out a shaky breath. "You protect me too much, 'Samu."

"I know." He wiped his face with the back of his hand. "I saw you with that bikini, and I thought everyone was going to hurt you. But I was projecting. Because I was scared of losing you. And I used Suna as an excuse to pretend I had something for myself."

Silence stretched between them, filled only by the ocean.

Then Atsumu scooted closer and leaned her head on his shoulder. "You're my brother, 'Samu. You're not going to lose me. Ever."

He didn't respond. But he didn't pull away either.

After a moment, Suna sat down on Osamu's other side. Not touching, but there.

"Do you hate me?" Suna asked.

Osamu looked at him. At his sharp features, his tired eyes, the faint bruise on his collarbone that he didn't want to think about. "No," he said. "I'm mad. But I don't hate you. And if you make her happy... then I guess I'm okay with it."

Suna's shoulders sagged with relief. "I'll try."

"You better." Osamu's voice was gruff. "Because if you break her heart, I'll break your kneecaps."

Atsumu laughed, the sound wet and broken. "That's my protective brother."

They sat there for a long while, the three of them, watching the waves. At some point, Osamu felt Suna's hand brush his, a silent apology. He didn't pull away. But he didn't hold it either.

The next morning, the team noticed nothing amiss. Breakfast was loud, chaotic. Atsumu sat between Osamu and Suna, and at one point, she reached under the table and squeezed Osamu's hand. He squeezed back.

He watched Suna lean over to whisper something in Atsumu's ear, watched her smile brighten, watched the way they looked at each other. It hurt. But it was a dull ache now, not a sharp knife.

Maybe he'd been in love with the idea of Suna. Maybe he'd been in love with the idea of having something that was just his, something separate from his twin. But Atsumu had always been there, a part of him that he couldn't untangle. And maybe that was okay.

He had the rest of the week to figure out who he was without both of them. He started by joining Ginjima for a morning swim. Then he challenged Kita to a game of beach volleyball. He even let Atsumu braid his hair into a terrible cornrow style while Suna filmed it.

When the final night came, during the team bonfire, Osamu sat apart, roasting a marshmallow to a perfect golden brown. Atsumu and Suna were cuddling on a blanket nearby, wrapped in the same towel. He glanced at them, saw Suna's hand resting on Atsumu's waist, saw her lean up to kiss his cheek.

It didn't sting anymore.

He bit into his marshmallow and watched the firelight dance. Tomorrow, they'd go home. Back to practice, back to school, back to the same old life. But something had shifted. He could feel it.

He was still Osamu. Still Atsumu's twin. Still a setter who hated losing.

But maybe, for the first time, he was ready to stop protecting and start living.

The ocean hummed in the distance. The stars were bright. And somewhere in the back of his mind, a tiny voice whispered that maybe, just maybe, next summer would be different.

He smiled into the flames.