Nagi Karman is a friendly and cheerful new recruit in the Scarlet Nexus universe. He is Yuito Sumeragi’s childhood friend from the training school days, often acting as the group's mood maker. While he admires the star heroes in the military, he is actually very serious and cares a lot for his friends. Nagi’s special psychic power allows him to control air, making dangerous wind slashes in battle. But, behind his cheery attitude, he faces tragic events after being manipulated by the government. His story is filled with loyalty, heartache, and true friendship, making his character both memorable and bittersweet.
There are no detailed descriptions about Nagi Karman's physical appearance provided in the text.
Nagi Karman is cheerful and friendly, often bringing energy to the group as the mood maker.
He is described as a bit of a softie, easily tagging along with Yuito even when nervous about his straightforwardness.
Nagi looks up to the popular star soldiers in the organization and sometimes acts like a fan, but deep down, he is very serious and responsible.
He treats Yuito like a true friend, never caring about Yuito’s status or family background.
Despite his lively attitude, Nagi hides a serious side, especially when pressured by dangerous secrets.
Nagi Karman enters the Other Suppression Force (OSF) alongside Yuito Sumeragi, his friend from their harsh training days at the academy.
He is assigned to Seto Narukami’s team together with Yuito after joining the OSF.
Although eager and energetic, Nagi sometimes gets into trouble, such as entering restricted areas without permission.
There are hints early on that something deeper is troubling him beneath his easy-going nature.
Nagi Karman's psychic power is called "Aerokinesis."
He can control the air, allowing him to create powerful wind slashes called kamaitachi.
This ability makes him dangerous in combat, both for defending his friends and when forced to act against them.
Nagi Karman and Yuito Sumeragi are close friends, having known each other since their school training days.
He gets along well with the rest of Seto Narukami’s team.
Nagi looks up to strong leaders and popular soldiers in the OSF, dreaming of becoming like them someday.
- "Loyalty...to the New Himuka government..."
- "Yuito, you can't stay here! Run!!"
- "How did we end up like this...? Where did things go wrong...?"
Joining the OSF
Nagi Karman and Yuito Sumeragi join the Other Suppression Force (OSF) together as new recruits.
They are placed in Seto Narukami’s team and begin tackling missions, even getting in trouble for going into areas they shouldn’t.
Changes and Suspicions
Before an important battle at Kunad Highway, Yuito notices that something feels off about Nagi.
During the fight against Karen Travers, Nagi is hit by Karen’s power and starts acting strange, muttering, "Loyalty... to the New Himuka government..."
Nagi’s Tragic Actions
While Yuito is forced to leave to escape, Nagi suddenly changes and uses his air power to attack Seto Narukami, killing him.
After the fight, Nagi disappears and is later found to have been taken by the New Himuka government.
Yuito becomes the temporary leader of their team after Seto’s death.
Suffering from brain abnormalities, Yuito often has to visit the OSF hospital. There, he finds out Nagi was moved to the "Old OSF Hospital" with other patients.
Reunion and Warnings
Yuito and his friends rush to the Old OSF Hospital and find Nagi.
Nagi desperately shouts, "Yuito, you can't stay here! Run!!"
He appears terrified, trying to warn the group, but they have to leave quickly.
The Truth Behind Nagi
It is revealed that the New Himuka government performed mind control on Nagi, changing his personality and behavior.
This explains the strange way Nagi was acting since the incident at Kunad Highway.
Final Showdown
Yuito’s team returns to the Old OSF Hospital to retrieve Nagi's brain data and find him again, now fully under government control and ordered to take Yuito's brain.
Nagi captures Yuito due to his brain problems, but Fubuki Spring saves him from forced experiments at the hospital.
Nagi’s Last Moments
In the end, Yuito meets his brother, Kaito Sumeragi, in the city where Nagi attacks again.
Though weakened, Nagi uses his psychic space powers, fighting Yuito and his friends.
Mind control has damaged Nagi’s brain badly, and he eventually collapses.
In his final moments, Nagi says, "How did we end up like this...? Where did things go wrong...?" before dying.
His body is taken by the National Defense Forces, and the official report says he died fighting the Others.
- Official reports state Nagi Karman died as a hero fighting the Others, not revealing the government manipulation.
- He dreamed of becoming a star in the OSF but became a tragic symbol instead.
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