Suguru Geto/Synopsis

History
Geto has attended the magic college along with Satoru Gojo and Shoko Ieiri. During his second-year student, Geto, Gojo, and Shoko check up on Mei Mei and Utahime after not hearing from them for two days. After saving Utahime and Mei Mei and dealing with the spirit, Geto attends a meeting with Shoko and Gojo where Masamichi punishes Gojo for not putting up a screen. Later Geto is in the classroom with Gojo and Shoko, where Geto and Gojo discuss the importance of putting up a screen. Geto and Gojo then get into an argument about the strong protecting weak, resulting in a fight. Masamichi then shows up and assigns Geto and Gojo a mission from Tengen. Masamichi informs the two of the importance of the mission and how the two will have to look out for two groups that want to stop them. After being informed about the mission, Geto and Gojo head out.

As they arrive at the location to pick up the vessel for the mission, an explosion happens, and the vessel falls to the ground. Before the vessel hits the ground, Geto manages to save her with Gojo's help. A Q soldier, Kokun, then confront Geto. Geto easily defeats Kokun, and even shows Kokun that Gojo has defeated his comrade. When Riko wakes up, Geto and Gojo introduce themselves to her. They then start to talk, which Riko explains why she is so spunky even though she will fuse with Tengen.

Riko then has them take her to her Junior high, which they contact Masamichi about their circumstance. After talking with Masamichi, they check on the surveillance spirit, which Geto tells Gojo that two have been exorcised. Geto heads out to deal with the intruders while Gojo and Misato look for Riko. Geto manages to encounter one of the intruders, who manages to figure out what Geto's ability is. Geto easily defeats the intruder and starts to interrogate him. After finishing his interrogation, Geto meets up with Misato and asks about Riko. When another intruder escapes from the school, Geto calls Gojo and informs him about the situation. When Misato is kidnapped, Geto meets up with Gojo and Riko to discuss what they will do next.

The three decide to rescue Misato, and meet with the kidnappers in Okinawa for the meeting. Once they arrive at Okinawa, they manage to save Misato and choose to have some fun in Okinawa before heading back. Geto talks with Gojo about why the kidnappers wanted the exchange to happen in Okinawa until their time to head back. Riko manages to convince them to stay for one more day, which Geto asks if Gojo is okay since he has been using his ability for days. Gojo tells Geto that he is doing fine, and they continue to have fun. The next day, the four head back to the college and are attacked when they arrive at the college.

Geto quickly takes Riko and Misato into the college and leads them to the Tombs of the Star Corridor. Once they reach the tombs, Geto and Riko part ways from Misato and enter the tombs' main hall. Geto explains to Riko were she can reach Tengen, but also explains how he won't stop her if she wants to leave. When Riko decides that she still wants to leave, Geto prepares to escort her out, but Toji shoots Riko. Geto wonders why Toji is here, which Toji explains how he has killed Gojo. Geto summons spirits and has them attack Toji. Toji manages to defeat the spirits and even wound Geto. When Toji leave with Riko's body, Geto gets healed by Shoko and heads out to the star religious group's base. Once Geto reaches the base, he finds out that not only Toji is dead but that Gojo has retrieved Riko's body. Before they leave, Geto they should take care of everyone here, but Gojo tells him that it doesn't matter since the group would be disbanded soon anyway.

A year later, Geto, along with Shoko, is helping out Gojo with his new technique. Geto and Shoko become curious about the technique, which Gojo explains how the technique works and how he can have it continuously active without it harming him. Afterward, Geto thinks about how strong Gojo has become and that he has gone out on a mission alone. Later Geto is thinking about who he is doing all of this for when he meets Yu. They begin talking about why Yu has become a shaman. Suddenly Tsukumo Yuki shows up, which Yu leaves them to talk while he heads out on a mission. Geto and Yuki talk about how they can stop cursed spirits from being created, which Yuki tells him that she has managed to figure out two ways for that to happen. After talking, the two part ways. Later Geto meets with Nanami in the morgue and hears how Yu was killed during a mission. Days later, Geto is sent on a mission to a village but decides to massacre the village when the villagers want him to kill two young shamans. Geto takes the girls and goes on the run.

Sometime later, Geto meets with Shoko in Shinjuku and explains that he plans to kill all non-shamans. When Shoko has Gojo come to Shinjuku, Geto meets with Gojo and explains why he is doing this. After explaining everything to Gojo, Geto walks away. Later Geto meets with most of the former Star Religious group members and explains to him that he will be taking over. He even kills one of them to make his point across.

Years later, Geto, along with Mahito, makes a deal with Kokichi to heal his body, if he would supply them with information.

Cursed Child Arc
Geto releases a cursed spirit at an elementary school that swallows two children, which Yuta manages to defeat the spirit and rescue the kids.

Three months later, Geto heads to the Hapin shopping district to see the special-class spirit Rika. Geto releases a power spirit and has it fight Toge and Yuta. After the two managed to defeat the spirit, Geto says that he wanted to see Rika's special-class spirit. Geto also says that he will have to meet with Yuta soon since he will have to return Yuta's student ID that one of his spirits has stolen. Afterward, Geto heads back to his base.

Days later, Geto is helping out a woman that is cursed by a spirit. The woman expresses how grateful she is that the curse has been exorcised and leaves, in which Geto expresses his true feelings towards non-shamans. One of Geto's followers show up and inform him that the others have arrived. As Geto and his follower head to the meeting, one of Geto's donators, Kanemori, suddenly show up. Kanemori complains that Geto needs to perform an exorcism on him since he has donated so much. Geto's follower informs Geto that Kanemori donated between 50 to 100 million, but no donation has been made for half a year. Geto then kills Kanemori and heads to the meeting. Geto meeting with his fellow Shamans and informs them that they will take on the magic college soon.

Later Geto arrives at the magic college along with his shamans. Geto quickly greets Yuta and explains why he wants to create a shaman only world, which Yuta disagrees with. The faculty suddenly shows up and asks why Geto is here, which Geto says that he will release 2000 spirits all over Japan on December 24th. Geto then leaves with his followers but leaves some cursed spirits for the college to handle.

On December 24th, Geto arrives at the Tokyo College to obtain special-class spirit Rika. Geto kills all that get in his way and puts a screen over the college. Geto then encounters Maki, Panda, and Toge, which he easily defeats the three. As Geto is glad that shamans are defending each other, Yuta shows up and becomes enraged at what Geto had done to his friends. Geto sends multiple spirits at Yuta and Rika, which Yuta takes this time to rescue his friends and heal them. As Yuta returns to the fight, Geto releases more spirits, but Yuta uses Rika's power to trounce them. Geto manages to figure out what Rika's power is and expresses a desire for Rika even more. Geto then takes Yuta on in close combat and overwhelms him, which Rika gets Yuta away from Geto. All the while Geto is facing Yuta, he expresses his view on the non-shamans. Yuta rushes at Geto, which Geto manages to break Yuta's katana. Geto then gets punched by Yuta and listens as Yuta expresses his desire. Geto decides to use all his spirits on Yuta, which Yuta responds by releasing Rika's power at Geto. Geto's spirits are all exorcised, and Geto's arm is blasted off.

Geto is forced to retreat and thinks about how he must obtain Rika next time. Geto encounters Gojo, and the two start to chat, which Geto returns Yuta's student ID. Geto is then taken care of by Gojo. After this, his body is taken over by another person who places their brains with their bodies.

Cursed Training Arc
This person disguised as Geto meets with Jogo, Hanami, and another Cursed Spirit at a restaurant. They talk about how the Cursed Spirit wants to kill all the humans and what they need to do to stop the Shamans. Geto tells them that they will need to make Gojo unable to fight and get Sukuna on their side to accomplish that. Geto then explains how they will need to seal Gojo within the high-grade cursed charm, prison gate's boundary since they can't kill him. Jogo gets excited, which Geto tells him to no cause a seen but Jogo kills everyone in the restaurant. Jojo then asks Geto how many of Sukuna's fingers does his strength equal, which Geto says that Jogo's strength is equal to 8 or 9 fingers. Jogo responds by telling Geto to give him the cursed charm and that he will kill Gojo.

Later Geto watches Jogo fight against Gojo, along with Hanami. When Jogo is pushed into a corner, Geto heads off while Hanami goes rescue Jogo. Afterward, Geto arrives at a location when Mahito is at. When Jogo and Hanami arrive, Geto says that they now know that attack Gojo is meant for a particular time and place. Geto also tells them that they will seal Gojo on October 31st in Shibuya and that he will contact them with the detail later, which Mahito agrees with.

Vs. Mahito Arc
Days later, Geto comes across Yuji and Junpei and is glad about this. Geto then heads out to meet with Mahito. Afterward, they place one of Sukuna's fingers inside Junpei's apartment, causing a cursed spirit to kill Junpei's mother.

The next days, Geto is with Mahito when Mahito places a screen over Junpei's school. They talk about how they plan to have Junpei fight Yuji for Sukuna to take over Yuji's body. After talking, Geto heads off.

Kyoto Goodwill Event Arc
Later Geto, along with Mahito, meets up with Jogo. All three talk about how they will have to offer Sukuna all his fingers if they want him on their side. Geto also tells them that they will have to invade the Tokyo College to retrieve the six fingers they have. Later Geto meets with the others and discusses who they will send to the college and how they will invade.

The Origin of Obedience Arc
Days later, Geto is with Mahito when Mahito has three of the Death Womb Painting curses possess bodies. Later Geto plays a board game with Mahito and Choso when Choso tells them that he had just sensed that his brothers had been killed. Geto then contacts someone, who informs him that Nobara and Yuji had to kill the Choso brothers. Geto tells the two, which Mahito smiles from this.

Shibuya Incident Arc
Days later, Geto and Mahito meet up with Kokichi after Geto has set up a screen. When Mahito wants to kill Kokichi, Geto tells him that he can kill Kokichi once he has healed him. When Kokichi tells them to heal him already, Mahito comments about turning him into a caterpillar. Still, Geto informs Mahito that sometimes terrible will happen to them if they break their vow with Kokichi. When Kokichi heals and starts a fight with Mahito, Geto offers to help, but Mahito declines. As Kokichi and Mahito begin their fight, Geto gets a distance away and watches the fight. As Geto watches the battle, he thinks about how Kokichi is temporarily using a special-grade level of cursed energy firepower to counter Mahito. After witnessing Kokichi use the technique multiple times, he figures out that Kokichi uses the Simple Territory and thinks about how the technique works. After Mahito finishes dealing with Kokichi, Geto leaves with Mahito. As they are leaving, Geto talks with Mahito about how they could use this chance to see how the commissioned screen works.

Before October 31st, Geto meets with Jogo and talks about how Gojo is strongest when fighting alone and he is relaxing to use his techniques when surrounded by people. Finally, Geto tells the curses they need to distract Gojo for 20 minutes while the Prison Realm prepares and that Gojo will need to remain in range for a minutes before it seals him for good. before leaving the rest to him and the prison realm.

On October 31st, Geto watches Jogo, Hanami, and Choso fight against Gojo. Even after the 20 minutes pass, Geto comments to Dagon that they need Gojo to be more on edge and exhausted before striking with the prison. Mahito joins the battle with a thousand transfigured humans and as civilians fall into the lower level and the battle. Gojo, reaching the limit of what he is willing to sacrifice in battle, uses his domain expansion for less than a second to stun everyone in the area. Gojo spends the next 5 minutes killing the transfigured humans. Exhausted and mentally drained, he is shocked by Geto's Prison Realm opening min to so that he can and killed all of the mutated humans, Geto opens the prison realm. As he turns to flee, Geto makes his appearance. Seeing the dead friend alive again causes Gojo to go through all the possibilities, causing a minutes within his mind to pass and allow the Seal to lock him away.

As Geto watches Gojo being sealed, Gojo realizes that this must be an imposter using Geto's body and the fake reveals his brain and his ability to swap bodies. While admitting Gojo is too strong for to handle normally, the imposter say that even Yuta Okkotsu won't be enough to stop him. The original Geto manages to take control of its arm for a moment and grabs its neck when Gojo calls out to him, much to the fake's amusement and curiosity. The seal is completed. The fake Geto tries to carry it but Gojo causes it to slam to the ground, too heavy to carry out of the B5 underground until it is finished processing. Geto and the curses realize that Kokichi is spying on them and is relying the information to the sorcerers in Shibuya. Geto stays with the Seal while the Curses spread out to kill their enemies. Once they are gone, Mimiko and Nanako come forward and demand the return of Geto's body but he refuses.

Mei Mei and her brother Ui Ui make their way to the B5 Underground and are confronted by Geto. Mei Mei quickly realizes that this Geto is a fake until he summons a special grade disease cursed spirit, Smallpox Deity. The spirit uses its territorial expansion to seal Mei Mei in a coffin. Mei Mei manages to break free from a couple more of Smallpox Deity's attacks and manages to exorcise the spirit at the cost of one of her crows. Once they are released from the spirit's domain, Mei Mei and Ui Ui prepare to face off against Geto, who claims they are strong for sorceress of this era.