Just as Kenjaku threw the bagpack nuke, a metal hitting metal sound rang from outside the Domain, and Tachibana(in Sukuna's Mummy) and Miyako(now in Yamata-no-Orochi's body, which looks like Tachibana), switched places.
Aoi Todo has arrived!
"Huh!?"
Miyako tanked the nuke, since Yamata-no-Orochi has already adapted to it, and Kenjaku himself was blown away, though surviving due to Domain Amplification.
If it was normal Sukuna's Domain, Kenjaku would have been blasted out from it. Even Kenjaku didn't know that Sukuna's Domain allows others to escape it.
But, Tachibana had reincarnated into Sukuna's Mummy because he didn't want Kenjaku to be able to use his Cursed Technique, and thus Sukuna's Domain Expansion was the best thing to use.
And just in case Kenjaku knew that escape is allowed from Sukuna's Domain, he took a binding vow to stop others from escaping from the Domain Expansion in exchange of shortening its radius.
Thus, Kenjaku was still inside Sukuna's Domain, forced to use Simple Domain, Domain Amplification and Reverse Cursed Technique all at the same time.
Miyako, Yamata-no-Orochi and Teruhashi(whose body Miyako was in just moments ago) were also excluded from Sukuna's Domain Expansion's effects.
So, she started beating Kenjaku while Tachibana maintained the Domain Expansion from outside of it.
"I will kill you! Die, you Jujutsu Hitler!"
The voice filled of hatred was quite loud.
"You arrived at the perfect timing."
Tachibana side glanced at Todo while maintaining the handsigns with two of his arms.
"You are quite selfish, aren't you? Not allowing Yuki to enter the fight more than necessary so that you two can get revenge?"
"Is that a bad thing?"
"Of course not! But I also want to get some revenge on him for ruining my Best Friend's life!"
"Nah. I don't think your turn will even come. Just provide us support as planned."
Just as Tachibana said, Todo's turn wouldn't come.
Teruhashi, who is piloting Yamata-no-Orochi's body after getting reincarnated in it, shattered Kenjaku's Simple Domain.
As the body is already more than halfway through in the process of adapting and replicating Angel's technique to open such a complex seal like Prison Realm, nullifying Simple Domain didn't pose much of a problem.
'I don't think I am surviving this! In exchange—'
She didn't even let Kenjaku take a binding vow to sacrifice all his future after a year. The Kusanagi Sword pierced through his Domain Amplification, and pierced his brain.
Kenjaku, the only one with as much plot armour as Sukuna, was finally killed.
And all the Cursed Spirits released upon his death were killed by Malevolent Shrine.
"He's dead!"
As Miyako's shout came, and Tachibana stopped the Domain Expansion.
Afterall, Geto's body is very valuable, and he didn't want to destroy it.
Riko opened up some barriers and the bodies of Miyako and Yuki appeared.
Yuki's role was to contest in Domain Expansion with Kenjaku for as long as possible to keep him from recovering his techniques, output and efficiency. That's why, she took a binding vow to boost her power by entering a Death Binding Vow which will cause her death only after Kenjaku died.
But Kenjaku recovered his technique too fast, so the next step was for Tachibana to reincarnate himself into Sukuna's Mummy and Miyako into his own(Yamata-no-Orochi).
So, by using Sukuna's Domain Expansion, he forced Kenjaku to be on severe backfoot, wasting effort just to remain alive.
And since he can actually leave the Domain, Miyako would be swapped in by Todo and deliver the finishing blows by nuh-uh'ing his defences using Yamata-no-Orochi's adaptation.
The plan worked out perfectly, except for the part that Kenjaku pulled out tactical nukes and he had to sacrifice the second-last head of Yamata-no-Orochi.
Anyway, Kenjaku is dead, but that doesn't mean the revenge against him is complete.
But first, he reincarnated Yuki.
She opened her eyes and was surprised.
"It actually worked!? Isn't this bullshit!? Ignoring Death Binding Vows like that!?"
"Well, you did die. That's why the binding vow was complete."
"Still... It's surreal and absurd."
He shrugged, and reincarnated Miyako back into her body. Looking at her in his body was rather creepy.
Then, he reincarnated himself back into his body.
"Now, we should dispose off Geto's body. Honestly, if Gojo did it properly, all of this wouldn't have happened at all!"
Yuki grumbled, not realising about the implications of Riko also being present."
"Umm, Tachibana, can you revive Geto? Since his body isn't in totally bad shape?"
Tachibana looked at Geto's body, which was cut a lot. Just Reverse Cursed Technique will not be able to completely fix it.
But since he can manipulate body and soul to change their shape, he can fix the body.
"I can. But the Geto you know is no more. He was a Jujutsu Hitler who was trying to wipe out all humans.
Instead, to properly end the Culling Game, I will use his body to reincarnate someone else."
Riko looked away, feeling incredibly sad. She is just a kid thrown in such hard situations, so everyone can understand where she is coming from.
But, even if the opposition came from Gojo Satarou, Tachibana will use Geto's body to properly end the Culling Game.
In any case, first, he took off the sewings on the head which didn't came off even after all this, since Kenjaku most likely was doing his best to protect them.
Then, he took out Kenjaku's brain, which was had a hole and leaking blood and all sorts of gross stuff.
Tachibana stabbed the brain that is Kenjaku a few more times, just to be sure.
And then, Miyako poured sunflower oil from Tengen's kitchen over him.
"Reincarnation."
Tachibana reincarnated Kenjaku in his brain, and then, Miyako threw a lighter at him.
"AAARGHHHHH!"
The brain, Kenjaku, screamed in pain quite pathetically as he buned.
"Doesn't the brain not feel pain?"
"Well, it's this freak, whose whole existence is just a brain. Who knows exactly how this guy works."
Miyako was quite satisfied as she heard his screams as he burned, just like her.
Everyone sat down around the burning Kenjaku like they were watching campfire, finally relaxing and smiling as they watched him burn, screaming pathetically.
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