A/N: The other Sachiko (The one who sealed Gojo) - *Sachiko
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Choso regrouped with Imposter Geto shortly after *Sachiko left him with the prison realm.
"What are going to do?" Geto asked.
"Of course, I'm going to take revenge on behalf of my brothers. I'm going to kill Itadori Yuuji and Kugusaki Nobara."
Then, Choso also asked, "What about you?"
"I'll just wait here. The prison realm needs to be watched by someone." He replied casually.
"I see."
"Well, you can go and do whatever you want." Geto said.
With that, Choso left.
After that, Geto wondered why Mahito didn't regroup with him.
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"Wait until the barriers are taken down and when Jujutsu sorcerers rush in, kill them all, except Itadori, Megumi, Junpei and Nobara. I still want to play with them."
When *Sachiko ordered the curse-humans, they listened to her obediently, making *Sachiko smile in enjoyment.
"That'a right , that's how things should've been all along." She told herself.
"We are going to kill a lot of humans tonight, I assume?" Mahito appeared behind her and said with a grin to which *Sachiko replied with a chuckle, "Not just humans. Jujutsu sorcerers. It's time for a massacre."
"Well, something I could look forward to." Mahito said.
"So, what are you doing here instead of going to Geto?" She turned to Mahito.
"We both know I don't actually work with Geto."
"Of course." She nodded, "After all, I created you, didn't I?"
"What do you have in mind?" Mahito asked, "It seemed that your previous plan was covered by those curses you unleashed."
"Hmm.. let me think." She thought for a while, "How about..you do what you do best? Target humans so that more Jujutsu sorcerers will be drawn in to save them."
"That should be interesting." Mahito said with a sadistic smile, "I can't wait to see them in their agony."
"Good, now there's only one thing I need to do." She said before leaving.
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Kokichi was hiding at the place Sachiko prepared in Shibuya. After Sachiko left to find Gojo in person, he tried to communicate with her only to find his devices stopped working. He eventually decided to send his other puppets to find them but at that moment, he heard a familiar voice from behind.
"You're trying to find them?"
He turned around to face her and saw a face he couldn't register. He could see her face but at the same time, he couldn't register who it was or remember the facial features.
"Who are you?"
He found himself asking.
She seemed to be amused even though it wasn't clear why, "I came to deliver to the news and you can even relay the message to everyone in Shibuya. How does that sound?"
"..." Kokichi frowned, grearly alarmed by her sudden and bizarre appearance.
"No need to be alarmed. I don't plan to kill you." She chuckled, noticing his tense body. Then, when Kokichi looked less tense, she added, "For now. As long as you relay the message."
"What do you want me to do?" He asked.
"Gojo Satoru is already sealed inside the prison realm. Let everyone at Shibuya know about this."
She said with a smile and Kokichi thought how it looked twisted.
And he realized how much trouble they would he in.
'But, they seemed confident that they would be able to prevent this. What happened?'
"What happened to Nakamura?"
"And why do you expect me to know this?"
Kokichi didn't know exactly why but he felt a bad premonition about her.
"You said Gojo Satoru got sealed. Nakamura was the one who..."
Kokichi closed his mouth, deciding against telling her what they were up to.
"Now, can you relay the message? I can't wait for long." She said as if she had grown impatient. Kokichi could feel the tense atmosphere and he felt like he would die if he were to do anything else other than she asked him to. Even when he were meeting up with Mahito and Geto, he didn't feel this way. To feel this kind of dread the moment he met her, she must be someone much stronger than the two.
Naturally, that meant he could not get away without complying.
Left with no choice, Kokichi had to send the message.
'This means the curse users will go rampage without giving Jujutsu sorcerers a chance to rescue Gojo Satoru.' Kokichi thought.
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Yuuji, Mei Mei and Ui Ui were heading towards the station Gojo was at when they heard the message from Kokichi.
"Earlier, Gojo Satoru got sealed in the prison realm by Geto Suguru and an unknown curse user."
The three paused their steps to register the information into their brain and when it did, their faces turned grim.
"Gojo sensei is sealed?" Itadori was confused a bit so Mei Mei had to briefly explain him.
"This is bad. Aren't we all in trouble?"
"If this is true, we are." Mei Mei agreed.
"That means we have to hurry." Itadori started to run faster, leaving Mei Mei and Ui Ui behind.
When Itadori got to the screen surrounding Shibuya station.
"Nanamin!!!"
Megumi was there with Nanami and Takuma who were about to enter the screen as soon as the news of Gojo getting sealed was out. They were surprised to see Itadori rushing towards them.
"Itadori, what happened?"
Nanami asked him.
"Nanamin, I heard Gojo sensei got sealed."
"So, you heard it too?" Nanami asked with a sigh.
"Yes, I was on my way to Gojo sensei when I heard that." Itadori answered.
"I see." Nanami said quietly.
"What should we do?" Itadori asked anxiously.
"We have to save Gojo san. If he was sealed recently, then the odds are that the prison realm might still be there." Nanami said.
"So we retrieve it?" Megumi asked.
"Yes." Nanami confirmed with a nod.
"But needless to say, it's going to be a dangerous mission. As the announcement was most likely made to everyone at Shibuya, curse users would have also known Gojo Satoru was sealed. Without having to fear him, I'm afraid they would go rampage." Nanami continued.
"This..."
Megumi and Itadori fell silent for a moment as the information sinked into their brain, then they realized how much the world would have changed along with this. They wondered if they were even ready for the whole change.
When they were deep in their thoughts, Nanami told them that he was going to meet up with Kiyotaka to bring down the barriers.
However, shortly after Nanami left, they noticed the barrier had been brought down or rather destroyed.
"The barrier went down? The caster brought it down?"
They were puzzled at the sudden change of situation.
Megumi's phone rang at that moment.
"Ijichi san?"
Megumi was surprised to see that it was Ijichi who called and the fact that communications were restored.
"Fushiguro kun, apparently , there are a lot of mutated humans at the station and they are starting to kill every human they see." His voice was shaking.
"Mutated humans? Like Riko, the girl?" Megumi questioned.
"No, they look like curses not like a human but the reason we deduce them as mutated humans is because there were a few corpses of them and they didn't disappear."
"I see."
Megumi repeated what she said to the group and Itadori said, "That must be Mahito! There were also mutated humans on the train to this station and between the screens. And it is already confirmed that Mahito was still alive."
"Didn't Nakamura exorcise him?"
"I don't know either." Itadori was silent.
"Anyway, please kill the mutated humans as soon as you can and save the civilians." Ijichi said.
"Okay."
After ending the call, Megumi, Itadori and Takuma headed inside.
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The situation was actually the same in other locations as well. The barriers were brought down almost at the same time, allowing Jujutsu sorcerers to rush in. The fact that there were mutated humans made by Mahito and them starting to kill civilians just contributed to it.
However, they were faced with not only mutated humans but also the curses made by *Sachiko.
All of them were brutally killed in less than a minute.