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Alternate Universes

Summary:

Where Gojo just wanted to test a theory and led to Yuuji's bizarre adventure on jumping universes.

Notes:

Hello! I just wanted to quickly write this idea down before inspiration leaves me. Sorry for my shit english and grammar! I'll re touch this fic again when I have the time and update when I get the inspiration once again.

Chapter 1: Prologue

Chapter Text

Today was like any other day for Yuuji. He got up from his bed, made breakfast for himself (his classmates and upperclassmen were out today so Yuuji didn’t need to make a serving for them, they forcibly gave him the role of the resident cook when they found out that Yuuji had the most culinary skills between- well all of them combined.), showered and put on his usual outfit which is his school uniform with the hood of his signature red hoodie poking out from the collar of his uniform. He walked out of the school dormitory to meet his teacher, each step with a little bounce.

 

Anyone could see that the usual bubbly student is vibrating excitedly as he headed towards the meet up point which was the nearest park around their school so he didn't need to get escorted by the usual jujutsu assistants. The teenager was excited, of course. He’s usually teamed up with his classmates; Fushiguro Megumi and Kugisaki Nobara, for curse extermination but when they were told by their principal (who had a very scrunched up look on his face as he held a very high quality cloth on his hands), that Yuuji would stay behind for a mission with Gojo. Megumi and Nobara roared in complaint while Yuuji bubbled in excitement but also in confusion because as far as he knew, his teacher always worked alone on his missions. Yaga did not gave an answer to the complaints of the two students and just threw the three out of his office.

 

After reassuring Nobara and Megumi who reluctantly parted with him, mumbling about how Gojo most likely planned for this and bribery, they made Yuuji promise that he would contact them as soon as Gojo made any suspicious movement (which Yuuji huffed at, he was strong after all and he trusts Gojo with his entire being, he seriously doesn't understand his classmates overprotective nature towards him especially when it's related to their teacher). In all honestly, he was also happy and excited because he might be sorta harboring a tiny weeny crush on his teacher, how can he not? His teacher was so cool and always fun to be with, plus he was the strongest and seems like he always know what he’s doing. He can't understand why the others find Gojo's presence irritating, as far as he can tell, the teacher spoils them and always giving them presents (Yuuji always gets one whenever Gojo comes back from a business trip so he assumes the others gets one too.) and of course, shouldn't they be grateful of Gojo's remarks? Yuuji always appreciates them, it's always blunt and straight to the point, and his teacher's praises that follows with a a ruffle on his hair, a touch on his nape, or a pat on his shoulder or his back that never fails to make Yuuji feel giddy. Okay so it might not be tiny crush but this is just puppy love, it's not like his teacher would reciprocates his feelings anyways. They were just a pair of normal teacher and student. An executor and the vessel of Sukuna...

 

Yuuji scrunches his nose at the thought, slowing down as the thought passes by, he quickly shook his head as to get rid of the thought away with the unwanted emotions along with it before rounding to a corner street where the park is. The pink haired boy blinks his eyes in surprise when he sees his usually late teacher already at the meeting point. The teacher looked so out of place, sitting on the metal swing, lightly swaying it. The park was deserted, maybe the presence of a tall man wearing a black tracksuit paired up with a black blindfold that makes his pearly white locks stand as if denying gravity made people avoid the place. Yuuji lets out a chuckle and raises an arm up, waving happily which immediately caught his teacher’s attention, “Gojo-sensei!” He says with a wide bright smile.

 

“Yo Yuuji.” Satoru says with a smile on his own, giving him a quick lazy salute with one hand.

 

When Yuuji was close enough he sees Gojo was holding something, he feels the curse inside him perk in interest, “Sensei, what is that?” He asks, pointing at what Gojo is holding.

 

The thing Gojo is holding is a very dirty teddy bear, actually upon closer inspection, it wasn’t even being held by Gojo, it was more like being held by the teacher’s infinity.

 

“Hmm this~?” He raises the bear up and practically shoves the bear on Yuuji’s face but it exactly stops with the button nose almost meeting the tip of Yuuji’s own nose, which Yuuji immediately remembers his first meeting with his teacher and successfully elated a light blush on his cheeks, he heard an amused hum from his teacher before the older continues, “It’s a special grade curse object that I just retrieved, It was theorized that it’s supposed to revert people into their younger days~ It sounds interesting, right?”

 

Yuuji stopped inspecting the cursed object and turned to look at his teacher, "It does sound interesting... so what are we going to do with it?" he asks with a slight head tilt to the side.

 

The moment Yuuji sees Gojo smile switched into a mischievous grin, quickly delivered a nervous feeling to Yuuji. He was about to step away when Gojo says, “Yuuji, catch~” and casually threw the special grade curse object towards Yuuji. and Yuuji, hands moving on its own, caught the lightly thrown dirty teddy bear easily with a flabbergasted expression.

 

A puff of smoke suddenly surrounded Yuuji.

 

Instinct had him holding his breath to not breathe in the smoke and eyes shut so the smoke wouldn't sting his eyes.

 

It felt like the ground disappeared from his feet and he was falling.

 

He gripped the teddy bear into his chest tightly, not minding that it was dirty.

 

Suddenly, Yuuji felt like he was sitting on something and a pair of hands grabbed hold of his shoulders which made Yuuji snapped his eyes open.

 

It was Gojo but also not the Gojo he knows- the male infront of him was taller than him but shorter than his teacher, he wore a pair of dark round sunglasses in contrast to the blindfold that Yuuji knew his teacher wore just seconds ago. But what caught his attention the most is the fact that the male was wearing a uniform similar to his own- unlike the usual tracksuit.

 

“Oi! You idiot! What was that?!"