Kento Nanami/Synopsis

History
Nanami has attended the Sorcerer College and during his first year, he had teamed up with Yu Haibara to back up Geto and Gojo while they are at Okinawa. A year later, Nanami teams with Yu on a mission but the mission turns out to be more difficult then they realize. After the mission is finished, Nanami is in the morgue while Geto examines Yu's dead body and explains how the mission was more difficult. After Nanami graduated from the college, he decided to quit being a Sorcerer because he found it to be a pain. Nanami then started to work as a salaryman but found that the job only cared about money. After taking care of a Cursed Spirit that was causing a baker problems, Nanami decides to return to being a Sorcerer.

Nanami is introduced to Yuji by Gojo, since Gojo can't teach him at the moment. Nanami and the two talk, where Nanami reveals what kind of Sorcerer he is and how he doesn't approve of Yuji. Yuji responds that he wants to get stronger and that he will make them approve of him, which Nanami tells Yuji to tell the higher ups about that.

Vs. Mahito Arc
Nanami along with Yuji investigate the theater incident, where Nanami manages to teach Yuji to see remnants. As they follow the remnants, Nanami and Yuji talk about how there might be a witness to the murder. After following the remnants, the two come across two Cursed Spirits and each take on one. Nanami begins to explain how his technique works and shows Yuji how it works. Nanami then watches Yuji and figures out how Yuji's technique works. Nanami notices that there is something wrong with the Cursed Spirits and stops Yuji from killing his spirit. Nanami has the Cursed Spirits examined, which Shoko reveals that the Cursed Spirits were once humans. After finding this out, the two head out to continue investigating. After finding out that there have been multiple missing persons and mysterious deaths, Nanami decides to have Yuji investigate Junpei while he follows up a different lead.

Nanami heads into the sewers where he comes in contact with Mahito. Nanami begins to fight against Mahito and plans to finish the fight quickly since he doesn't like to work overtime. Because Nanami manages to break Mahito's arm, Mahito stops fighting to explain how his technique works and heals his arm. As Mahito wonders what would happen if he uses his technique on a Sorcerer, Nanami simply looks at his watch and says that he will finish this by six. Nanami continues to fight Mahito, which results in Mahito injuring Nanami. Once it hits 6 o'clock, Nanami wraps his tie around his hand and starts to explain how his technique works. Nanami then uses his technique on a wall so that a large amount of rubble falls on top of them. As Mahito watches the rubble, Nanami uses his technique on him to injure his leg and retreats. Afterwards, Nanami contacts Kiyotaka and reveals what had happened. After hanging up, Nanami thinks about what kind of character he is. Later, Yuji finds out what happened to Nanami and asks Nanami to take him next time, Nanami explains how its not necessary and asks Yuji to continue observing Junpei.

The next day, Nanami is handling Mahito's cursed spirits in the sewer with Ino. Nanami contacts Yuji about not heading to Junpei's school, Nanami then leaves Ino to handle the creatures as he thinks that Yuji will most likely head to the school anyway. Nanami manages to show up and defends Yuji, when Mahito was about to land a blow on Yuji. Nanami asks about the situation and Yuji reveals everything that had happened. After finding out that Yuji can harm Mahito, Nanami has Yuji fight Mahito with him. As Nanami and Yuji battle against Mahito, Mahito decides to change tactics and have cursed spirits attack Yuji. Nanami fights against Mahito, but Mahito manages to restrain Nanami. As Mahito goes to finish Nanami off, Yuji shows up and frees Nanami.

Nanami and Yuji continue to overwhelm Mahito, until Mahito uses his territorial expansion to trap Nanami. Nanami thinks about the situation he is in and comes to the conclusion that he is in the palm of Mahito's hand. Nanami prepares to take on Mahito since he has no regrets but Yuji shows up and Sukuna wounds Mahito causing the territorial expansion to be undone. Yuji tries to finish Mahito off but Mahito manages to get away. As Nanami makes plans to cut off Mahito's escape route, he notices that Yuji is laying on the ground and goes to check up on him.

Later that day, Nanami meets with Yuji and they talk about the situation that happened that day.

Kyoto Goodwill Event Arc
On the day of the event, Nanami is with Gojo and they talk about what had happened at Satozakura High School.

Shibuya Incident Arc
On October 31, Nanami is with Megumi and Takuma at the Tokyo Metro, Shibuya Station Near exit 13 as they are informed about the situation in Shibuya. As Takuma starts to tell Megumi everything about the curtain, Nanami tells Takumi that Megumi already knows all of that stuff and to stop trying to impress Megumi. Nanami then wonders where Gojo is. Later, when the citizens in the screen are attacked by mutated humans, Nanami along with Megumi and Takuma head into the screen to protect the people. While heading into the screen, Nanami and Megumi discuss why mutated humans are attacking now and how Nanami will head towards the enemy responsible for the screens while Megumi and Takuma do their best to rescue the people. When Yuji calls out to Nanami and announces what has happened to Gojo, Nanami tells Megumi and Takuma that they will be heading towards Yuji's location. Once they reach Yuji's location, Kokichi explains what had happened to them and what the best course of action should be taken. Nanami agrees with Kokichi's plans and says that they will first need to lift the screen around Shibuya. Nanami says that he will go meet up with Kiyotaka whilst Megumi, Yuji, and Takuma deals with the screen. Nanami tells Takuma that he is in charge and that they should explain the situation to Naobito and Atsuya if they meet with them. Nanami then leaves to meet up with Kiyotaka.

Later, Nanami finds Kiyotaka laying on the ground wounded. After finding Kiyotaka in that state, Nanami gets angry and heads out. Nanami then comes across Nobara and the enemy that are attacking the assistant directors. Nanami starts walking towards the enemy and they try to get him to stop but notices that their hostage has left. When Nanami gets close to the enemy, the enemy attacks him but notices that none of his attacks are working. Nanami asks the enemy how many and where are his allies. The enemy says that he doesn't know and Nanami sends him flying into a wall. As the enemy gets up, Nanami grabs the enemy and asks again. The enemy says that he doesn't know, which Nanami hits him again. When the enemy tries to have his sword attack from behind, but Nobara saves Nanami. As the enemy is angry at Nobara, Nanami grabs the enemy and asks if he is the one that kill all the assistant managers. when the enemy apologizes Nanami sends them enemy flying through a building. After this, Nanami explains to Akari and Nobara the situation with Kiyotaka and how Gojo has been sealed. Nanami then says that he will be going to help Gojo, which Nobara says that she wants to join him but Nanami says that this upcoming fight is for grade 1 Sorcerers and that she would only get in the way. Nanami then tells the two to stay here while he leaves to help Gojo.

Nanami manages to encounter Maki and Naobito, and joins them as they enter the Shibuya Station. When the three come across a cursed spirit, Nanami says that he will deal with the spirit but Naobito steps in. Nanami then watches as Naobito fights the cursed spirit. When Naobito manages to distract the Cursed Spirit, Dagon, Nanami along with Maki join in and attack Dagon. Dagon manages to defend itself, Nanami notes how Dagon has a large amount of HP. When Naobito manages to figure out how Dagon is defending itself, Nanami and the other two attack Dagon with speed based attacks and Dagon is forced to retreat. Dagon manages to trap Nanami along with Naobito and Maki in his Domain Expansion and Nanami is instantly hit with the Domain's sure hit technique. When Dagon uses his Death Swarm attack, Nanami advises Maki on how to survive it before he is engulfed by multiple fish.

Nanami manages to survive the attack and defends Megumi while Megumi opens an exit for them to flee. When Megumi manages to create an exit, Nanami gives the signal to retreat but they are shocked when Toji comes through the portal. After Toji comes through the portal, Nanami asks about the portal but Megumi says that the portal has closed. Nanami then watches as Toji takes on Dagon. While watching, Nanami asks Megumi if he can last for a little while longer since they have to rely on Toji which Megumi replies that he can last for a little bit longer. When Toji exorcises Dagon, Nanami thinks about how they only survived because Toji had arrived but also wonders if Toji is on their side.

Toji suddenly takes Megumi to another location, but Nanami is more concerned about the arrival of Jogo since Jogo is stronger than Dagon. Nanami is then easily taken out by Jogo. Nanami manages to get up, but is wounded, and continues onward. When Nanami comes across a large amount of mutated humans, Nanami thinks about how he could spend his time in Malaysia reading since he is so tired. Nanami then worries about Maki, Megumi, and Naobito and wonders what happened to them. Nanami then takes on the mutated humans and is confronted by Mahito. The two have a small chat and Nanami wonders what he is trying to do. Suddenly he sees Haibara, who points right. Nanami turns and sees Yuji. Nanami tells Yuji that he has it here. Mahito then kills Nanami.