The sports hall had been designed to hold badminton games, weekend classes and parents waiting beside plastic cups of iced coffee.
It had not been designed to hold fear.
Fear filled it badly.
It climbed the bleachers. It pressed students against painted walls. It turned every school badge into an accusation and every raised phone into a possible weapon. The main rolling shutter had stopped half a meter above the floor, too low for a crowd to pass and high enough to show rainwater moving outside.
Tân Thành stood at the east stairwell with both hands open.
"You want out, come behind me," he said. "I don't care which school."
Three Trưng Vương students hesitated.
A Lê Quý Đôn boy shouted, "Let them stay. They came here for us."
Tân Thành turned his head.
"Then you can stay too."
The boy stopped speaking.
Vũ Khoa stood beside the center line with his red contractor badge outside his shirt.
He had removed the Trưng Vương lanyard before entering. That let him speak as event staff when adults looked and as a Trưng Vương senior when students did. Three former volunteers held a loose half-circle behind him. Their palms remained visible. Their feet quietly denied the direct route to the scorer's table.
"Nobody came here for a school fight," Khoa said.
Phones turned toward him.
He waited until the lenses settled before continuing.
"A student was injured. Evidence disappeared. Lê Quý Đôn students linked to the same outside group from our last safety event were named. This room exists so evidence can be returned before rumors hurt more people."
Each sentence was narrow enough to defend later. He did not say the photograph was current. He did not say the alleged victim had appeared. He did not say who rented the hall.
Tân Thành looked at the red badge. "Then open the shutter and ask outside."
"Crowds move before facts do," Khoa said. "Opening the door now moves this into the street."
"You moved it here."
Khoa smiled without warmth. "Your group taught me what happens when outsiders arrive before the explanation."
That was the unfinished business beneath the public language. Khoa still remembered Thuận's coins around the injured student's route, Tân Thành refusing the shove, Tân Phong preserving the long clip and the moment Khoa's volunteer lanyard stopped making him look neutral.
The earlier Trưng Vương confrontation had exposed Khoa's volunteer circle without dissolving it.
He had learned to hide those same contacts inside Hồng Y's larger event industry.
Near the center court, Phạm Đức Tín wore no school jacket. His white shirt was clean, sleeves folded evenly below the elbows. He stood with the balanced posture of someone who had trained long enough to make readiness look ordinary.
Tín had completed his national examination papers, but graduation results had not yet closed his Grade 12 record. He was still a Trưng Vương student in every document the forged request had used to summon him. Toàn Năng had suspended his probationary badge, not made him an adult official or removed his school identity. He held no legal command inside the hall.
The students behind him did not call him a leader.
They watched him like one.
Before arriving, Tín knew the Lục Hoa confirmation was forged. He came because students from his school were already moving toward the hall and because public refusal would leave them with only the false accusation. His job was no longer recovery. It was preventing a manufactured challenge from becoming school pride.
"Show the victim's name," Tín said.
Khoa turned toward him. "The family requested privacy."
"Then show Toàn Năng the original report."
"This is larger than your suspended badge."
Tín looked at the Trưng Vương students behind Khoa. "That is why you keep borrowing the school name. Your contractor badge cannot make anyone follow you."
The first fracture opened inside Khoa's own side.
The crowd was not two complete schools marching under official banners. Most students from both sides had come because a class chat said someone they knew had been attacked. Some expected shouting. Some expected a filmed challenge. A smaller number came ready to fight because being ready felt safer than arriving alone.
That distinction disappeared once they packed together beneath the same roof. From the bleachers, thirty frightened students could resemble an army if someone filmed only the correct angle.
A wireless microphone lay dead on the scorer's table. Tín had used it to warn the room before someone cut the speakers. When he looked for the event assistant afterward, the man was gone.
"Where is Thanh Thuận?" Tín asked.
Tân Thành shifted enough to keep the stairwell covered.
"Busy."
"Did anyone give you a vial?"
"No."
Tín's eyes moved toward the scorer's table. "Then someone still needs to produce the evidence both posts promised."
"We were told your people put one of ours in a clinic."
Confirmation hardened across Tín's face. Neither side possessed the victim or evidence its accusation required.
Khoa lifted both hands.
His volunteers moved with the gesture. One guided Trưng Vương students two steps forward. Another shifted a barrier behind the Lê Quý Đôn group. A third raised a phone from the angle where Khoa's open hands occupied the foreground and Tân Thành's larger body filled the opposing side.
No punch had been thrown.
The picture already had an aggressor.
A bottle flew from the bleachers.
It struck a Trưng Vương student above the eyebrow.
The plastic bottle was half full. It did not cause much damage. It did something worse.
It gave everyone permission.
Students surged across the court.
Khoa called, "Separate them. Open hands. Keep recording."
His volunteers entered like trained helpers. One caught a wrist and turned the student toward a camera. Another pushed from behind a barrier where the shove would not appear. A third shouted school names instead of directions, preserving the two sides even while pretending to divide them.
This was Hồng Y's physical method at student scale. Not hypnosis. Not mystical control. Position, repetition and the authority of the first explanation.
Tân Thành caught the first body without striking. He turned the boy, placed him against the wall and blocked a second punch with his shoulder.
"Back!"
No one listened.
At the upper walkway, Tân Phong watched the bottle thrower move away from the side he had supposedly defended.
Wrong shoes.
Not school shoes. Thin black training soles with the edges sanded flat for grip. Two more boys wore the same kind beneath different school trousers.
Tân Phong photographed all three.
Then he looked up at the cameras.
The hall's original cameras were old white domes. Beside each one sat a newer black module no larger than a matchbox. A narrow ring of light adjusted whenever a trained fighter changed stance.
Tân Phong raised one arm.
The nearest module followed his wrist.
"That is rude," he muttered.
He moved toward the management office.
A boy in a Lê Quý Đôn jacket stepped into his path.
"Where are you going?"
"Bathroom."
"Wrong direction."
"Emergency."
The boy reached for him.
Tân Phong kicked the loose end of a floor mat. The rubber folded beneath the boy's front foot. His balance broke forward. Tân Phong used half a second to pass, caught the office railing, and took the steps two at a time.
He did not look back until the door closed behind him.
Inside the office, the hall manager's desk was empty.
The monitor was not.
Twenty-four camera windows divided the screen. Green boxes framed faces. Yellow traces followed limbs. Beside several students, blank fields waited under headings Tân Phong could understand without knowing the software:
`Recovery interval.`
`Impact response.`
`Pattern deviation.`
`Registry confidence.`
One window followed Tín.
His box was already green.
One followed Tân Thành.
Yellow became orange when Tân Thành rooted his feet and stopped three bodies from entering the stairwell.
A third window remained empty.
The label beneath it read:
`THANH THUAN - PENDING.`
Tân Phong pulled the network cable from the back of the monitor.
Nothing changed.
The upload counter continued.
"Of course," he said.
On court, Tín moved at last.
He did not attack a school group. He entered the worst collision and separated it with structure. A short kick stopped one charge. A shoulder turned another. His fist struck only once, straight into the body of a boy swinging a broken sign pole.
The boy folded.
Tín caught the pole before it hit the floor.
Proper power should be visible.
That was what Toàn Năng taught.
But the cameras made visibility feel dirty.
He saw one of the black modules turn toward him.
Then a voice came through the hall speakers.
Not Thuận.
Not the adult liaison whose sealed request had reached Tín through Toàn Năng.
Lao laughed softly enough that everyone had to become quiet to hear him.
"Two good schools," he said. "One locked room. Look how quickly education becomes honest."
Khoa looked toward the control wall. "This is not your part."
Lao's laugh returned through the speakers. "Your part ended when the picture became interesting."
Tân Thành looked toward the upper bleachers.
Lao stood behind the last row.
He had grown leaner. The change did not make him look weaker. It made every line of his body seem sharpened by something that had eaten the softer parts first. His left hand rested against the railing. Two fingers trembled once, then stopped when he closed them.
Around him stood boys wearing no matching uniform.
Some carried old injuries badly repaired. One schoolbag had a crest cut from its front, leaving a clean shape surrounded by old dirt. Another boy wore clinic tape beneath his sleeve. Their shoes matched the bottle thrower's shoes below.
Lao looked over the court as if inspecting a class.
"The Union wants to know which of you are dangerous," he said. "I want to know which of you remain useful after danger answers back."
The side doors slammed shut.
At the east stairwell, someone pulled the lights.
Half the hall went dark.
The first scream in darkness belonged to neither school.
It belonged to a boy who had just understood that both schools were only material.