Mason had always loved summer break, but this one felt different. At twenty years old, he was no longer the scrawny high-school track star who’d dominated the 400-meter hurdles. College had filled him out, broad shoulders, lean muscle carved from years of sprints and weight sessions, a runner’s body that still turned heads. He’d come home to Chicago for the summer and, instead of crashing at his parents’ empty house while they traveled, he’d accepted Jack’s invitation to stay at the family’s big suburban place. Jack had been his best friend since freshman year of high school, same goofy laugh, same love for bad horror movies, same effortless way of making everything feel easy.

The day had been perfect: hours at the neighborhood pool, cannonballs off the diving board, lounging on towels while the sun baked their skin. Jack’s family had joined them, his parents, his younger sister Emily (the one Mason had nursed a quiet, hopeless crush on since he was sixteen), and his older brother Ryan. Ryan was twenty-two now, two years ahead, already deep into med school at the state university. Tall like Jack but broader, with the same dark hair and sharp jawline, only Ryan carried himself with a quiet confidence that made Mason’s stomach flip in ways he didn’t like to examine too closely. Ryan had spent the afternoon shirtless on a lounge chair, reading a thick anatomy textbook, sunglasses perched on his nose, and Mason had caught himself staring more than once.

By evening everyone was sun-drunk and lazy. They gathered in the living room, the TV murmuring some baseball game no one was watching. Mason sprawled on the sectional in basketball shorts and a faded track T-shirt, hair still damp from the shower. Jack was next to him, feet propped on the coffee table. Emily curled in an armchair scrolling her phone. Ryan sat across from them on the ottoman, still in swim trunks, legs spread casually. Their parents had already headed upstairs.

“So, Mason,” Jack’s mom had said earlier over dinner, “you’re heading back to campus in a few weeks, right? Don’t you need that athletic physical updated for fall semester?”

Mason groaned. “Yeah. My old family doc retired last year. I’ve been putting it off. Figured I’d just find a walk-in clinic or something.”

Jack perked up. “Dude, Ryan could probably hook you up. He’s basically a doctor already.”

Ryan looked up from his phone, one eyebrow raised. His eyes, dark, steady, met Mason’s across the room. “I’m a second-year med student, not a licensed physician. But I know people at the university clinic. Could get you in quick if you want.”

Mason shrugged, trying to play it cool even as his pulse kicked up. “That’d be awesome, man. Thanks.”

Ryan leaned forward, elbows on his knees. “Who was your old doctor? Dr. Harlan, right? The one over on Maple?”

“Yeah, exactly.”

“He was pretty old-school. Did he do the full work-up? Heart, lungs, hernia check, the whole nine?”

Mason felt his face warm. “Uh… yeah, I think so. It was always pretty thorough. Why?”

Ryan’s mouth twitched into a small, knowing smile. “Just making sure. Some docs skip the genitourinary stuff if you’re young and healthy. Track runners especially—sometimes they only glance at the basics. You want it done right before you go back, you should make sure everything’s documented. Testicular self-exam technique, lymph nodes, all of it.”

Emily made a face. “Gross, Ry. We’re eating leftover chips here.”

Ryan laughed softly, but his gaze stayed on Mason. “Just being real. College sports programs are strict now. Better to be over-prepared.”

The conversation drifted after that, Jack complaining about his summer job at the ice-cream shop, Emily teasing Mason about his new college haircut, but Mason kept catching Ryan watching him. Not in a weird way. Just… observant. Like he was already cataloging vitals.

Eventually the parents called it a night. Jack and Mason headed upstairs to Jack’s room, the same one they’d shared a hundred times growing up: two twin beds, posters of old track meets and video-game characters still on the walls. They stripped down to boxers, killed the lights, and traded sleepy good-nights. Jack was out in minutes, snoring softly.

Mason couldn’t sleep.

The room was too warm. His skin still tingled from the sun. Every time he closed his eyes he saw Ryan’s easy smile, the way his swim trunks had ridden low on his hips earlier. And then there was the physical thing. He really did need it done. The thought of some random clinic doctor poking around felt clinical and cold. But Ryan offering… that felt different.

Around two a.m. he gave up. He kicked off the sheet, peeled off his boxers, sleeping naked had become a habit in his dorm, and padded barefoot into the hallway. The house was silent except for the low hum of the air conditioner. Moonlight spilled through the skylight, painting the hardwood silver.

He was halfway to the bathroom when a door opened down the hall.

Ryan stepped out, wearing nothing but gray sweatpants slung low on his hips. His chest was bare, smooth and defined, a light dusting of hair trailing down toward his waistband. He froze when he saw Mason, completely naked, one hand instinctively dropping to cover himself.

“Shit, sorry,” Mason whispered, cheeks burning. “Couldn’t sleep. Bathroom.”

Ryan’s eyes flicked down, then back up. A slow, lazy grin spread across his face. “No worries. I was just grabbing water.” He tilted his head. “You still thinking about that physical?”

Mason’s heart hammered. “Yeah. I mean… I do need it.”

Ryan took a step closer. The hallway felt suddenly smaller. His voice dropped, low and flirtatious. “If you want to get it out of the way tonight, I could give you one right now. I’ve got my bag in my room. Stethoscope, gloves, measuring tape, the works. No waiting room. No paperwork. Just… thorough.”

Mason blinked. Was he dreaming? The house was quiet. Jack was dead to the world. Ryan’s eyes were dark, amused, and something else, interested. Mason’s mouth went dry. He’d always crushed on Emily, sure. But Ryan… Ryan had always been the unattainable older brother who showed up at track meets and made Mason’s sixteen-year-old self tongue-tied. And now he was offering exactly what Mason had been low-key fantasizing about since the living-room conversation.

Mason swallowed. “You’re serious?”

“Dead serious.” Ryan’s grin widened. “I’m not licensed, but I know what I’m doing. And you look healthy as hell. Come on. My room’s at the end of the hall, farther from everyone. No one will hear a thing.”

Why not? The thought hit Mason like a starting pistol. He was wide awake, adrenaline buzzing under his skin, and passing up a chance to be looked at, really looked at, by Ryan felt stupid. He nodded.

Ryan led the way, bare feet silent on the floor. His room was bigger than Jack’s: queen bed, desk stacked with textbooks, a small lamp already on. He closed the door softly and locked it.

Mason stood there naked, heart pounding, while Ryan pulled on a white lab coat over his bare chest, nothing underneath, the coat hanging open. He snapped on blue nitrile gloves with a practiced flick.

“Start with vitals,” Ryan murmured. He stepped close, pressed two fingers to Mason’s wrist. “Pulse is elevated. Nervous?”

“A little.”

“Good. Means you’re paying attention.” He wrapped the blood-pressure cuff around Mason’s bicep, pumped it up, listened with the stethoscope. His fingers brushed Mason’s skin. “One-twenty over seventy-eight. Solid. Now lungs.” He placed the cold diaphragm on Mason’s chest, then his back. “Deep breaths. Again.” Each instruction came soft and steady. “Good. Heart sounds perfect.”

He moved lower. “Abdomen next.” Warm gloved hands pressed into Mason’s stomach, checking organs. “No tenderness. You’ve got great definition, track runner abs. Turn around.”

Mason faced the wall. Ryan’s hands ran down his spine, checked his posture, then cupped his glutes briefly. “Hamstrings tight from all that sprinting. Relax.” Fingers probed the lymph nodes in his groin, just beside his balls. Mason’s cock twitched despite himself.

Ryan noticed. “Reflexes are working,” he said, voice teasing now. “Let’s do the genital exam. Hop up on the desk, lie back, knees bent, feet flat. Like a regular physical, but I’m not rushing.”

Mason obeyed, the wood cool under his back. Ryan wheeled his desk chair between Mason’s spread legs. The position left him completely exposed. Ryan’s eyes traveled over him slowly, clinical but appreciative.

“First, visual inspection.” He leaned in. “Nice overall development. Uncircumcised, shaft looks straight, no curvature. Skin tone even.” His gloved hand lifted Mason’s flaccid cock gently, turning it side to side. “Length at rest is… solid. Maybe four and a half inches. We’ll measure erect later if you’re comfortable, sports physicals sometimes require it for documentation.”

Mason’s breath hitched. “You… you can do that?”

Ryan’s thumb stroked along the underside. “Only if you consent. This is thorough, remember?” He smiled up at him. “Your bush is thick, natural, dark, trimmed just enough. Looks healthy. No lice, no irritation.” Fingers combed lightly through the coarse hair. “Good grooming. Now the balls.” He cupped them both, rolling each one carefully between thumb and forefinger. “Left testicle slightly lower than right, normal anatomy. Size… about four centimeters each. Firm, smooth. No lumps.” He gave a gentle squeeze. “Feel that? Tell me if anything hurts.”

“Nothing hurts,” Mason managed, voice rough. His cock was starting to fill, lifting away from his stomach.

Ryan noticed immediately. “Vasodilation response, perfect. You’re getting hard. That’s normal during a thorough check. Helps me assess full erectile function.” He wrapped his fingers around the growing shaft and gave a slow, professional stroke from base to tip. “Girth is excellent. Veins prominent but healthy. Foreskin is supple.” He pulled the skin back fully, exposing the head. “Corona sensitive? Good color, pink, no phimosis.” A gloved thumb circled the slit. “Pre-cum already. Healthy prostate fluid production.”

Mason’s hips jerked. Ryan chuckled softly. “Easy. We’re not done.” He returned to the balls, now tighter against Mason’s body. “Shaved smooth down here, nice. I like that. Makes everything easier to examine.” His fingers traced the hairless sac. “Skin’s soft, no razor burn. Epididymis feels normal. No swelling.” He tugged gently on each testicle, checking mobility. “You do self-exams, right? Like this.” He demonstrated, rolling them deliberately. “Feels good?”

“Yeah,” Mason breathed. His cock was fully hard now, throbbing against his abs, the head shiny.

Ryan sat back a moment, admiring. “You’ve got a beautiful set, Mason. Seriously. Thick bush framing everything, smooth balls, classic athletic build. I’d clear you for any sport. But let’s finish the hernia check.” He stood, pressed two fingers into the inguinal canal on each side while Mason coughed. Then he returned to the genitals, stroking again, slower this time. “Cough again. Good. No bulges. Now… prostate.”

He slicked a gloved finger with lube from a small bottle on the desk. “Relax. Just one finger.” The touch was gentle but firm, sliding inside. Mason gasped. Ryan’s other hand stayed on his cock, stroking steadily. “Prostate’s smooth, walnut-sized. No enlargement.” He pressed deeper, massaging. “Feel that? That’s the spot. Healthy response, your cock just leaked again.”

Mason’s thighs trembled. Ryan kept the rhythm slow, clinical commentary never stopping. “Bush looks even better from this angle, thick and healthy. Balls drawn up tight, perfectly shaved. You take care of yourself.” Another slow stroke. “I’m going to milk a little fluid for the record. Just breathe.”

Mason came hard, quiet, shuddering, while Ryan’s finger pressed and his hand pumped. When it was over, Ryan wiped him down carefully with a warm cloth, still talking softly. “Excellent specimen. Volume good, color normal. You’re one hundred percent healthy, Mason. I’d sign off on any form they want.”

Mason lay there panting, dazed and glowing. Ryan peeled off the gloves, washed his hands, then helped him sit up. He was still half-hard, cock glistening.

Ryan’s lab coat hung open, his own sweatpants tented obviously. He smiled, crooked and warm. “Feel better? Exam’s over… unless you want a follow-up in the morning.”

Mason laughed breathlessly, the crush on Emily suddenly feeling very far away. “Yeah. I think I might need a very thorough re-check before I go back to campus.”

Ryan’s eyes sparkled. “Good. Because I’m an excellent study partner.” He leaned in, voice dropping to a whisper. “And next time, maybe we skip the gloves.”

Mason grinned, heart still racing. Summer break had just gotten a lot more interesting.