Yuji and Y/n are on the move as they found out that Junpei has been acting different.

Ijichi: You guys shouldn't go! What If you guys get hurt like you did on your first mission

Y/n: Oh we won't

Yuji smiles

Yuji & Y/n: We are stronger now!

They dash as they make it towards the school. They arrive in time to see Junpei attacking a student.

Y/n: Stop.

Y/n blitzes at Junpei as he slashes at Junpei's shoulder

Junpei: Y/n....?

Junpei sees Yuji

Junpei: Yuji....

Yuji: I thought you were not going to hurt anyone!!

Junpei: My....motives have changed.

Junpei summons his Jellyfish

Yuji runs at Junpei as he tries to punch him but the Jellyfish's soft body absorbs the impact of the attack

Y/n: This should have been easy....but that might a problem!!

Y/n tries to hit Junpei with his sword but the Jellyfish absorbs the slash

Junpei: Just stay out of it you two!! There is no salvation in this world.

Moon Dregs uses its tentacles to bind Yuji and Y/n.

Junpei: Noone has the right to stop someone from taking a life

Y/n: Do you even....UNDERSTAND WHAT YOU ARE TALKING ABOUT!?

Y/n uses his special Technique as he blasts out of the tentacle as he slashes Yuji out of it as well.

Junpei tries to run but Yuji punches the shikigami into him, causing them to both go out of the window. Y/n and Yuji nod at each other as they run and  jump out of the window

Junpei: Leave...me....ALONE!!

The shikigami goes after the two but Y/n uses his special Technique as he slashes at the tentacles.

Y/n: No!

Y/n grabs Junpei as he throws him back into the building.

Y/n: Imma have to knock some sense into you! What are you doing!?

Junpei: Shut...up!!

Junpei uses his shikigami as its stingers pierce Y/n and Yuji's bodies. This surprises Junpei.

Y/n: Come back with us...

Yuji: We can take you to Jujutsu High and help you find the person who killed your mother.

Y/n: Just come with us

???: I don't think he is going to come with you.

Y/n and Yuji look to see someone there

Y/n: Who...are you-

Y/n and Yuji had put their guard down as the curse pins them onto the wall.

Yuji: Isn't this....

Y/n: The person we were warned about...

Y/n turns to Junpei

Y/n: Run!!!

Junpei: No...Mahito is a nice person

Mahito laughs as he puts a hand on Junpei's shoulder while immobilizeing Y/n and Yuji

Mahito: You were foolish....to trust me

Mahito smiles as he uses his idle Transfiguration to Mutate Junpei.

Yuji: Sukuna....please help..

Sukuna: ....No brat.

Junpei looks at Y/n and Yuji as they look in horror.

Junpei: Help....me...

Those were his last words before he dies.

Mahito: <Laughs> He was weak anyway!! He was n-

Y/n: Shin'en no Yaiba.

Y/n blitzes as he slashes at Mahito as he slices off his head and slices his chest

Mahito: That won't work!

His chest is still bleeding.

Y/n looks at Yuji

Y/n: That bastard Sukuna. OIIII YUJIII!!!

Yuji snaps out of his trance as he turns to Y/n

Y/n: We have to win. For Junpei

Yuji: Yeah. I'll Kill Him.

Y/n: Thats the spirit now.

Y/n as a result of the pressure, turns to his more serious mode as his cursed energy leaks as Yuji looks bloodthirsty at Mahito

Mahito: It might be a bit hard for me to get out this battle....since Y/n looks serious. And if Jogo was right....he's dangerous.

Y/n and Yuji Blitz at Mahito as they slice him and punch him into absolutely nothing

Mahito regenerates as he goes for Y/n as he slashes him in the chest. Y/n smiles as he ducks as Yuji punches Mahito.

Y/n and Yuji start to combo Mahito as they exchange blows as Mahito pierces Yuji and Y/n's body but they still continue to fight.

Y/n: We...will....winn!!

Y/n hits Mahito multiple times as Yuji smashes Mahito's face repeatedly as Y/n comes in over his back as kicks Mahito sending him back.

Yuji: Lets do thi-

Mahito suddenly appears behind Yuji to try and take his head clean off but Y/n slashes at him as Nanami comes in and kicks him away

Y/n: Nanami. You are here.

Nanami: Normally he calls me serious-Sensei

Nanami: What is the situation?

Y/n: I was able to make him bleed as Yuji did as well

Nanami: I guess he can't touch Y/n and Yuji's soul.

Nanami: Okay then we will create a opening to fight the curse.

Mahito spawns a eye on his right palm and shapeshifts his left arm into a blade.

Y/n: Lets do this.

Y/n rushes in as he clashes with Mahito. Y/n is way quicker and stronger than Mahito as he slashes right through his left arm.

Y/n: Lets jump him.

They just start to beat up Mahito as Y/n comes in from the top as he slashes down as Mahito slashing his head off.

Mahito: <Smiles> Thank you Nanami...

Mahito puts Nanami into his Domain: Self-Embodiment of Perfection

Y/n: We have to break him out of the domain

Y/n and Yuji combine their attacks as they break down the barrier.

Mahito: I guess I am going to have to...

Mahito touches Sukuna's soul but is punished for that

Sukuna: Don't you dare that.

Sukuna cuts him down as he laughs

Sukuna: I don't care for anyone else apart from the Fushiguro brothers. Especially Y/n.

Injured, Mahito decides to inflate his body. Y/n and Yuji sense this as they rush at him and use their special Techniques. But it was a simple distraction.

Nanami: We have to go after him. Y/n and Yuji! We have to-

Nanami realises that Y/n's cursed energy levels have gone down to Yuji's levels as Y/n falls down as Yuji does as well.

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Y/n and Yuji wake up as they meet Nanami at a morgue. There Nanami explains everything.

Y/n: Its my fault....I'm not strong enough.

Y/n looks at Yuji and Nanami as he gets his stuff and walks off

Yuji: Hey! Where are you going?

Y/n: To train. And to get stronger. This can't happen again.

Y/n: Tell Satoru-San....I will be gone for a few weeks.

Y/n walks off as he goes into the distance

Thanks for reading!! Y/n is just going to be gone for a few weeks but gets a lot stronger!!