"You guys might want to keep it down a little." A gentle, unassuming voice from the end of the aisle. "You're drawing more attention than you probably want right now."
A young man came down the side aisle with an unhurried step. Silver hair in a low ponytail. Round spectacles. A Leaf headband. He was smiling with the modesty of someone who had learned that being non-threatening was its own kind of effective, turning a deck of blank-faced cards over in his fingers.
"Kabuto Yakushi," he introduced himself, pushing his glasses up. "I've actually taken these exams seven times. I know it sounds rough—" a small, self-deprecating laugh, "—but it's given me a pretty thorough read on the other teams." He held up the deck. "Ninja Info Cards. Chakra-imprinted data on almost everyone here, if you're interested."
Sakura went a shade paler. "Seven times?"
"Yeah." His smile didn't waver. "Talent gaps are hard to close. I've learned to work around mine."
The rookies leaned in as Kabuto cycled through the cards, offering brief, helpful summaries of the foreign teams' known abilities.
Ren stood half a step back.
Interesting.
To the eye, Kabuto was exactly what he presented: an older, awkward Genin with a good memory and an underdog's pragmatism. But Ren's sensory perception painted something different. The man's chakra was extraordinarily dense—far too dense for someone who'd supposedly plateaued well below Chūnin after seven attempts. The pathways around his forearms bore the characteristic hardening from years of high-frequency chakra scalpel work. The signature of elite medical-nin training. His heart rate was a flat, synthetic sixty beats per minute, the kind that didn't happen naturally in a room full of armed, hostile strangers.
Ren kept his expression mild, his gaze moving across the cards with the same polite attention as everyone else.
A spy with elite medical conditioning running a long-term undercover assignment. Likely has eyes on at least one of these rookie squads specifically.
He filed the chakra signature into the back of his mental index.
Watch his hands. Watch what questions he asks.
Without drawing attention to it, Ren stepped naturally past Kabuto and drifted toward the empty upper rows—the way water moved, finding the path away from something without disturbing the surface.
Then the heavy double doors at the front blew inward.
BOOM.
Grey smoke billowed across the front platform. Figures materialized through the mist, lining the walls at precise five-pace intervals—proctors in dark tactical flak jackets, clipboards gripped in black leather gloves.
At the center of the platform stood a tall, broad-shouldered man in a long black trench coat. Dark bandana. A face crisscrossed by brutal, jagged scars.
Morino Ibiki. Commander of the Konoha Torture and Interrogation Force.
His pale eyes swept the room. Several Genin in the front rows leaned incrementally backward without appearing to notice.
"Quiet down, you pathetic runts." His voice reverberated through the floorboards. "The First Stage of the Chūnin Selection Exams begins now. Hand in your registration forms, take your assigned seat numbers, and sit down."
He held up a stack of printed test papers.
"Welcome to the written exam."
Ten minutes later, Ren sat in Seat 42, near the window on the fourth tier.
To his left, an Ame ninja was sweating, fingers trembling around his pencil. Two rows down, Hinata Hyūga sat with her hands folded in her lap, pale eyes lowered, expression carrying the stillness of someone who had been bracing themselves.
Ibiki outlined the rules from the front chalkboard. Ten-point starting balance. One point deducted per missed question. Two per caught act of cheating. Immediate squad disqualification if anyone hit zero.
"And finally," Ibiki said, letting the pause run, "the tenth question will be given forty-five minutes after the exam begins. You have one hour." The scars along his jaw pulled into a slow smile. "Begin."
Eighty-seven test papers flipped simultaneously, a crack like thunder.
Ren turned his sheet over.
Question 1: Cryptographic frequency analysis of an intercepted cipher using a cyclic shift key based on lunar cycles.
Question 2: Ballistic trajectory calculation of an iron shuriken thrown from a 30-meter elevation into a 15-knot crosswind, determining the required release angle to hit a target concealed behind an earthen rampart.
Question 3: Vector mapping of an acoustic genjutsu's resonance nodes in a cavernous environment.
He blinked once. Then, quietly, beneath his breath, a faint amused sound that wasn't quite a laugh.
They want the kids to cheat.
The questions were stratospheric for any twelve-to-fifteen-year-old Genin raised on field survival and combat application. This wasn't an academic evaluation. It was a high-stress intelligence-gathering exercise in examination clothes. The point was to identify who could extract accurate information from a hostile environment without getting caught—which meant the correct answers were planted, the proctors among the students were the intended sources, and the real test was whether you could run an undetected covert op while sitting in a wooden chair.
The quiet war had already started. He could feel the faint displacement of controlled sand along the ceiling tiles—Gaara's Third Eye circling in slow sweeps. Two rows down, the subtle chakra flare of Sasuke's Sharingan kindled briefly, calibrating to the pencil movements of the student ahead. Neji's Byakugan pulsed once, vision bleeding through the back of someone's paper and gone.
Ren picked up his pencil.
Well, he thought, resting his chin on his left palm. Why waste the chakra.
He had been twenty years old in his past life. The better part of three years bedridden, nothing but ceiling tiles, mediocre vending machine coffee, and whatever textbooks, engineering manuals, and graduate-level physics papers his mother could find at the university library. He had read them cover to cover, multiple times, with the focused desperation of someone keeping their mind from going numb.
Question 2: standard projectile kinematics with atmospheric drag and vector decomposition. He'd worked through nearly identical problems in a fluid mechanics textbook somewhere between his second surgery and his third.
y = x*tan(launch_angle) - (g*x^2)/(2*v^2*cos^2(launch_angle))
He set lead to paper. His handwriting was clean, compact, the shorthand of someone who had spent years taking notes at speed. He broke the trajectory into components, accounted for drag coefficient of standard shinobi steel alloy, calculated terminal velocity, corrected for crosswind deflection, derived the release angle in under four minutes.
launch_angle = 34.2 degrees
He moved on.
The Ame Genin beside him was peeking around in short, panicked sweeps, shoulders hunched, eyes wide every time a proctor's footsteps creaked on the catwalk above. The room was beginning to shed its first casualties.
"Number 23, out!" A proctor's voice fell like a blade. "Number 56—disqualified. Take your squad and go."
Doors opened and closed. Someone in the front rows was breathing in the rhythm of controlled, shallow hyperventilation.
Ren didn't look up. Question 3: acoustic resonance nodes, harmonic interference in an enclosed stone cavity. He sketched a coordinate diagram, marked the destructive interference zones at the correct wavelength intervals, outlined the seal configuration required to negate the frequency at ear level.
Twenty minutes in, with the room descended into fluorescent-lit dread—graphite gone quiet, someone crying softly somewhere in the middle rows—Ren laid his pencil in the groove along the top of the desk.
All nine. Pencil and paper. Zero chakra. Zero glances at any neighboring paper.
The grey interface in his peripheral vision flickered briefly: