I do not own Jujutsu Kaisen or any of the characters.


Rematch

Shinji exploded into the side of the room hard, his head swimming, all sounds distorted as though from an underwater speaker someone had forgotten to waterproof, resulting in it shorting out. And then, one shaped kind of like a giant toilet with teeth lunged as him, and a spray of blood filled his vision. Except, it wasn't his. It was the Transfigured Human's. His eyes widened as the blood in the air began to separate, allowing him to see Kasumi on the Transfigured Human's back, the sword Shinji had borrowed from Maki stabbed into the Transfigured Human's brain. Except, her left arm was missing below the elbow, and there was a Transfigured Human, one of the small ones with the long sharp teeth, just pulling its teeth from her side, which was rapidly being stained with blood.

"Kasumi..." Shinji breathed.

"Why're you...just sitting there?" Kasumi asked. "You're...stronger than this. You...and your arm...you're so amazing! You have no reason...to be ashamed...of your brother. You're both...incredible."

Shinji stared at her, mouth agape, for a few more seconds before lurching forward. Kasumi's eyes widened as Shinji's lips crashed into hers, then widened still more as his Reversed Curse Techniwue activated, her side and the gash he hadn't seen on her back sealing and her arm beginning to regrow rapidly. A dozen Transfigured Humans leapt at them.

"Yuma!" Shinji screamed in his head.

His right arm exploded free and snapped up into the air over them, Cursed Energy surging through him and to his palm so rapidly that when a dozen small blasts of Cursed Energy exploded from his palm at the incoming Transfigured Humans, all of the blasts flashed black and struck almost instantaneously, due to the distortion in space between his hand and the target. Finally, Kasumi's arm was fully restored, and Shinji pulled away, standing as the rest of the Transfigured Humans backed away a few steps. Shinji stepped around behind Kasumi, who was still sitting where she had been, stunned and staring at her arm in silence, and Yuma's arm twitched and jerked as it rose in front of Shinji, then flexed, rolled, and finally made a fist. Shinji smirked, fist-bumping his brother, who had full control of his arm for a moment. Then, both brothers formed a Cursed Energy weapon.

Yuma opted for an odachi with a blade about six feet long while Shinji formed himself an arm blade like he used against Mahito and the other talking Special Grade, one of his favorite weapons. Then, they were off. Yuma's blade swept through several Transfigured Humans before Shinji flipped and spun, slashing a dozen more. As he landed, Yuma hurlwd his blade and formed a shield behind Shinji, blocking one of the small, toothy ones. Shinji spun, splitting it in half before Yuma formed a normal-sized katana. Shinji swapped his arm blade for one as well and spun, allowing them both to slash multiple more Transfigured Humans. Then, he launched himself through the last group, Yuma's arm sweeping, contorting, and bending in ways a human's body simply wouldn't allow as Yuma shredded three quarters of the Transfigured Humans, Shinji slashing the last quarter one time each to Yuma's five or six each.

Finally, the Transfigured Humans were all dead, and Shinji walked over to stop in front of Kasumi, offering her his hand, as did Yuma. Kasumi smiled, taking both of their hands, and they pulled her to her feet together before hugging her.

"Thank you so much," Shinji smiled. Thank you for saving me."

"You saved me," Kasumi corrected him. "I'd have died if you disn't heal me."

Shinji grimaced, pulling back. "I'm sorry for suddenly kissing you. It's the only way I was ever able to make Reversed Curse Techniques work, unlike Yuma, who can do it easily."

Yuma gave Kasumi a thumbs up, Kasumi laughing into her hand.

"But, yeah, sorry for kissing you," Shinji said.

Kasumi watched him for a moment before shaking her head. "I'm not mad."

Shinji smiled slightly, nodding, then looked around toward the path to Shibuya station. Somewhere in Shibuya, on level B5F, Gojo was facing the Special Grades, Mahito, the one Shinji had fought with Aoi Todo and Itadori, and the one Gojo had fought. Howver, Shinji had a feeling they weren't alone.

"You have to go, now, don't you?" Kasumi asked.

"I'll get in Gojo's way if he's still fighting, but I haven't sensed his Cursed Energy for a little while," Shinji said. "There's no chance he's dead, so either he beat them all and left, or else he left without finishing them. Either way, someone needs to go find out."

Kasumi nodded, hugging him. "Be cadeful. I'll head back to the surface."

Shinji nodded. "You be careful, too. I'll see you soon." He turned, exploding toward Shibuya and raised his right hand, clenching it in a fist. "Welcome back, Yuma. I'm sorry for pushing you away."

Yuma raised his hand, knocking his knuckles against the side of Shinji's head once.

"Never again," Shinji said. "Let's go and show them what we can really do."

A few seconds later, he skidded to a stop just as a Veil came into view. He rested his hand on it, and found it solid. He frowned, then leapt back just as weaponized Transfigured Humans stabbed out at him like a pair of spears. A moment later, Mahito stwpped out, grinning widely.

"Well, I was hoping for Yuji Itadori, but you're a fun one, too!" Mahito grinned. "Or, at least, one arm, is!"

"I've been hoping to see you again, Mahito," Shinji said. "Don't expect to survive a second round."

Mahito grinned, exploding forward, but as he moved to strike, both of Shinji's arms came alive. Yuma's arm knocked his punch aside. Shinji's arm exploded into Mahito's jaw. Mahito exploded to the side, into the wall of the train tunnel. He exploded forward, forming his arm into a blade and slashed, only for Shinji's arm to form a shining, scarlet, Cursed Energy gauntlet and deflect it. Then, both arms were pummeling him, rapidly driving him back to the wall of the tunnel and pinning him there. Mahito tried to strike, but Yuma's arm knocked it aside. He struck form the other side, but Yuma's arm knocked it away again. The wall behind Mahito began to crack, the crater growing slowly. Mahito lunged off of the wall, only for both fists to explode into his face, sending him exploding back into it again.

"What is going on!?" Mahito thought desperately. "He's not even winding up for his right hand's punches, and yet their power is even more monstrous than the last time I fought him! And his left arm was weak last time, and when he fought Hanami, according to him, but now its punches are nearly as strong as his right hand's! There's only one this time, but this feels no different than when I was fighting him, Yuji Itadori, and the Seven-to-three Sorcerer!"

Shinji and Yuma's punches continued to rain into Mahito, Yuma's punches slamming home about fifty percent harder than Shinji's and about twenty percent harder. Finally, Mahito had had enough. He opened his mouth, a pair of extra sets of arms forming a pair of hand signs inside his mouth.

"Domain-"

Yuma's punch to Mahito's gut interruoted him, Yuma's Cursed Energy flashing Black and blasting a hole through his gut. Mahito's eyes went wide with shock.

"What was thst flash!?" Mahito thought. "And that power! I know I protected myself with Cursed Energy!"

Shinji's arm swung around and Mahito's arms both moved to block it, only for Shinji's own Black Flash to blast both of them into paste below the elbow.

"Domain Expansion!" Mahito shouted, voice shrill and cracked in desperation, the barrier forming instantly. "Self-Embodiment of Perfection!"

A cage of interlocking arms formed around Shinji, a single hand below him, Shinji on its palm. Mahito began to cackle, only for Shinji to sigh.

"It's about time," Shinji said.

"What'd you say!?" Mahito demanded.

"We were afraid you'd let us just beat you to death first," Shinji smirked. "Shall we, Yuma?"

Yuma's hand rose in front of Shinji's face, and Reverse Curse Energy flared to life around it. At the same time, Shinji likewise raised his hand, normal Cursed Energy flaring to life in his.

"Curse Technique Reversal!" Shinji shouted. "Domain Shift, Soul Plane!"

The two opposing energies shot toward eachother, then emitted a blinding white light from the impact point. Mahito shielded his eyes, and when the light faded, his jaw fell. He was standing in the middle of a gaping, endless ocean of sand, enormous sandstone boulders and pillar-like rock formations jutting out of the sand and spread around seemingly both randomly and meticulously at the same time. Then, as his eyes returned to his opponent, his eyes widened even more. There, standing before him, was not one opponent, but two. One was the form he recalled Shinji taking for a brief amount of time whenever he shouted out a timelimit. The other, however, had snow-white skin, a loose white robe with a second layer in black just peaking out from underneath, black socks with white sandals, a steel grey chain diagonally around his torso, messy snow-white hair, and a large, cleaver-like sword with a white blade but black along the edge, and a black cloth wrapping around the hilt and hanging from the end. The one Mahito recognized, on the other hand, held a long, pitch-black ninjato with four arms extending from the corners of the rectangular tsuba, then each arm turning, forming something like a swastika. The ninjato had a short chain hanging from the end of its hilt, and had Cursed Energy radiating from its blade, as did the other sword.

"Who the hell are you!?" Mahito demanded, pointing at the one he didn't recognize.

"I'm glad you asked," the person smirked, resting the back edge of his sword on his shoulder. "I'm Shinji. Allow me to properly introduce my older brother, Yuma."

Yuma's mouth opened, a snarling hiss emenating from him as a thin toung of steam snaked out of his mouth. Mahito's eyes widened. Then, fury bloomed on his face and he roared in rage, both arms becoming jagged blades before he exploded forward. Both brothers exploded forward to meet him, and their blades began to spark against one another's rapidly. Mahito spun, twisted, stabbed, slashed, and hacked, but couldn't fend them both off at once. Shinji's blade was the first to score a strike, albeit a shallow one. Mahito jumped and twisted, slamming a kick into the blade as Shinji used it to defend himself, but Shinji was still thrown backward. Then, Yuma's blade tore down Mahito's back and blood sprayed from his mouth. He spun, slashing at Yuma, only for Yuma's blade to flash back up the other way, a massive blast of Cursed Energy roaring out of the blade, Mahito only narrowly escaping, and losing his right arm in the process. He focused, sealing his wounds and restoring his arm, only to duck as Shinji's blade passed over him, spinning in a blur. Mahito spun, eyes going wide, then ducked under a kick from Shinji, allowing him to pass. Shinji spun, throwing a punch at Mahito, who again avoided it, only for Shinji to leap in the air, tugging a length of black cloth. Mahito swore harshly, just as the spinning sword returned, splitting his abdomen open, Mahito managing to avoid most of the damage. As Shinji fell back to the ground, Mahito struggled to fend off Yuma's attacks, blocking them again and again as he backpedaled. Then, Shinji's sword whipped down from above, this time sheering off Mahito's body in a line from the right side of his neck down. Mahito once again restored the missing piece just as Shinji tugged his sword back to his hand and dropped the edge toward his left arm as he held it out. Just before it landed, however, Mahito's eyes itched and he blinked, only to see the sword had become a bazooka.

"A Bazooka!?" Mahito yelped, then grinned. "The projectiles are slow!"

Shinji squeezed the trigger, but instead of a rocket, a laser suddenly spanned the distance between the end of the tube and the horizon. Mahito's grin turned into a look of stunned surprise as the laser vanished as quickly as it had appeared. His body tipped to its left slowly, a perfectly round section missing from under his arm at the elbow, into his torso a couple inches, and then ending at the knee. It had only grazed him.

"Damn," Shinji said. "Jerked it left."

"What...What kind of..." Mahito was trembling as his body regenerated again. "WHAT THE FUCK KIND OF ROCKET LAUNCHER IS THAT! ? !"

"It's not," Shinji said, standing from his kneeling position. "It's a laser cannon. It's from an anime."

"Anime!?" Mahito gaped.

"That's right," Shinji nodded. "My brother and I are massive anime fans, bordering on nerds. My brother's actually obsessed." He flipped the bazuka backward around his shoulder toward his other hand, and it became his sword from earlier, but when he spun it and hurled it into the air, the sword was suddenly gone, leaving behind only the bandages. "And now that we've brought you here, not only can we both be present to fight you together, but..." he swung his hands, both of which suddenly held a bandage, in a circle, the bandages spiraling around them, then the spiraling motion continued as his body began to shapeshift, "there is nothing we cannot do!"

His new form had a tight green body suit, orange leg warmers, blue sandals, bandages around his arms from the base of his fingers to his elbows, red bandanna tied into a belt at his waist with a silver forehead protector besring a stylized leaf emblem, and his hair a shiny black bowl cut above extremely thick eyebrows. Beside him, Yuma spun his sword, which transformed into a necklace with a green crystal. He crushed the crystal, and his body seemed to explode, only to leave a mass of dark crimson Cursed Energy shaped like a human with messy hair, a pair of elongated ears sticking up from the top of its head lije a rabbit's, six long, thick tails waving behind it, and a human-sized fox's skeleton attached to its back with the skull as a helmet, the ears extending from the eye holes and the mass's shining white eyes and the shining white inside of its pointed-toothed grin visible in the skull's mouth. As Yuma dropped onto all fours, Shinji dragged his left foot in a circle before stopping with it just behind his right, his left arm behind him in a fist, and his right out in front of him, flattened and fingers ajoined and pointed upward

"Our Innate Technique is called Memory Replication!" Shinji said, his entire style of speaking having changed to a forceful, honest tone that bordered on shouting. "We always had photographic memories, by and using it, we can replicate any technique, fighting style, or weapon we see! Normally, our Technique is restricted to projections formed from out Cursed Energy, such as weapons or energy blasts, or fighting stykes we can mimic directly with out bodies, but here, we can truly replicate anything we can imagine!"

Yuma roared, the sound, unlike his last form's high, vibrating voice, was deep, demonic, and truly monstrous. Mahito tensed, only for Shinji to vanish.

"Wha-"

Shinji's fist exploded into the side of Mahito's face in a vertical punch, and Mahito rocketted away, flipping and spinning multiple times before exploding through a sandstone pillar. A split second later, Yuma exploded out of the ground, slamming a palm into him like swatting a fly, and sent him exploding through another pillar. Shinji appeared in front of him in the air, one leg curled under himself and the other pulled back beside him.

"Leaf Hurricane!" Shinji shouted, spinning and slamming the kick into the side of Mahito's head.

He exploded into the ground at an angle, bouncing into a spinning tumble, and suddenly the brothers were bouncing him around the battlefield, never giving him a moment to rest, battering his abused and broken body over and over before he finally exploded into the side of a massive cliff he hadn't even noticed until he hit it, or which may not have been there until he hit it. Shinji landed in front of him, lifting him by the throat, only for Mahito to slam a hand into his face.

"Idle Transfiguration!" Mahito roared.

Shinji's body contorted and twisted, and buldged and compressed until he'd become little more than a length of flesh tangled into a knot. Except, just as Mahito's hand separated from Shinji, Mahito's eyes burned and Shinji blurred in his sight before aharpening into the same form he'd been before Mahito had used his technique. Except that this time, his face shone with indignation and impatience.

"You still don't get it!" Shinji roared, punching Mahito and sending him exploding along the cliff face in a trail befor Mahito bounced off and spun through the air, finally exploding into the ground. "You're like a child! You can't altar the shape of our souls here, Mahito! Here, in this place, we freely control the shape of our own souls!"

"That's...impossible!" Mahito coraked, finally pushing himself up.

"Not here," Yuma said, appearing behind Mahito in a new form. "Not anymore."

This form was small, the size of a child, with messy, golden hair, a black vest over a white shirt, a sword with a green serpent curled into a hilt with a the tail as a fingerguard, the neck as a grip, and the body a ring between them and the blade, white pants, and black boots.

"We should thank you, actually," Yuma said. "Those black flashes that confused you allowed us to finally comprehend and replicate your Idle Transfiguration. That's the only reason we were able to finally perfect our Domain Expansion. Of course, we can't activate this one without first using a Black Flash, each, but we can each create our own Domain Expansion as well now."

"What are you talking about!?" Mahito demanded, spinning, only for Yuma to backhand slap him, sending him crashing along the ground a dozen meters, Mahito coming to rest in front of Shinji, who had taken the form of a man with messy silver hair shorter than Yuma's, a scar on his chin, and tight, red, leather shirt and pants with a circular hole in the back and silver studs along the edges, shoulder, and half-open zipper down the front, his excessively toned abdomen left uncovered by the short shirt.

"To manipulate the soul without your Innate Ability, two things are required," Shinji said, then kicked him, sending him exploding away and back to Yuma, who met his forehead with a flick, sending him bouncing away from them both. "Firstly, the manipulator must know the exact shape of his own soul. Secondly, the manipulator must use Cursed Energy to first break the soul apart, then Reversed Curse Energy to piece it back together again. Thank you for teaching us that. It'll be incredibly helpful."

"Shut up!" Mahito shouted hysterically. "Shut up, shut up, shut UP! ! ! WHY WON'T YOU TWO JUST DIE! ! !"

His body eruoted into a change, becoming a massive, swollen behemoth bristling with spikes, and he exploded forward. As he neared them, both shifted forms again. This time, Shinji became a tall, muscular teel with tan skin, wavy chocolate hair, a black collared shirt, tan pants, white shoes, and two mismatched, inhuman arms. The right was black with hot pink down the front and back, then the arm expanding into a huge kite shield oriented with the point bearing his fist where the wrist was meant to be, the back having a pointed section extending beside his elbow, and the face of a shield having a design reminiscent of a skull's face. The left arm was white with a curved, blade-like spike on the shoulder, and blood red from the back of his hand up along the outside of his arm to a circle around the spike, and the outside of the spike itself. Yuma, on the other hand, became a man with long, sky blue hair, pointed, canine ears on the sides of his head with blue fur for most, then green fur along the top and running over his eyes, bone across his forehead like a crown, and flexible, form-fitting, silver armor in a body suit, a black cloth collar, black hands and feet with long claws on each, a hoke through the center of his torso, a long, armored tail, and jagged blades sticking out of the sides of his forearms and lower legs.

Mahito reached Shinji first, punching at him, only for Shinji to deflect the punch. Just as he did, Shinji's left fist exploded into his gut hurling him away. He flipped as he landed, and Yuma appeared behind him, slamming a cick into him before slashing after him, glowing trails racing outward from him and ripoing into Mahito's skin, splitting him open without any resistance. Mahito shouted in pain just as Shinji appeared over him, Cursed Energy flying from the back edge of his shield like flames before he punched, firing a blast of it down into Mahito, blasting him into the bottom of a crater before falling, exploding down on him fist-first. Blood sprayed from his mouth before Shinji flipped backward out of Yuma's face, allowing Yuma to punt Mahito by the face, sending him bouncing away. Mahito flipped and landed on his feet as Shinji and Yuma shifted forms once again. Yuma retook his first form as Shinji took the form of a pale-skinned creature with long black hair, black tear streaks down his cheeks, green sclerae, yellow irises long, horn-like ears sticking up from his hair, black fur on his arms from his hands to mid-bicep, a pair of enormous bat wings from his back with black fur around their base, a hole taking up most of his chest with a thick black fluid running out of it, and black fur from just above his waist down with a long, thin tail tipped in a tuft of hair.

As soon as they'd transformed, Shinji formed a shining, green Cursed Energy spear and Yuma's ninjato reappeared in hia hand. Then, both appeared in front od Mahito, slashing him diagonally across the chest, hurling him away. Then, they began to appear and bounce Mahito around the battlefield with their weapons as much as using punches, kicks, and other physical strikes. Mahito's screams of pain soon fed into one another until it was one long continuous scream. After a few minutes, Yuma retook the Cursed Energy mass form with the tails and sat down, the six tails erupting from the ground even larger than the sandstone pillars and spread out, the tails batting Mahito around as well.

Then, Shinji was a very muscular, overly-tones man wit an orange muscle shirt over a blue one, orange pants, and blue boots and wrist bands with his hair extending from his head in five spikes, three to his left and two to his right. He drilled a punch into Mahito's gut, sending him flashing through several stone pillars in a split second, only to meet Yuma. Yuma's form was an equally muscular, shorter man with a tight blue body suit, a white armor vest with segmented, brown shoulder straps and abdomen, and white boots and gloves with his hair standing straight upward in a mess of spikes. Yuma's punch sent him streaking back to Shinji, who flipped backward, kicking him under the jaw and sending him exploding skyward, only for Yuma to slam his clasped hands into Mahito's back, spiking him back into the ground. Then, both appeared over him.

"Kamehameha!" Shinji shouted, firing a shining blue beam as thick as he was tall.

"Galic Gun!" Yuma shouted, a violet beam streaking downward alongside Shinji's.

A moment later, both exploded against Mahito, who shrieked in agony until the beams vanished and both brothers landed. As they did, however, Mahito exploded from the ground in front of Yuma, drilling a punch into his face and sent him exploding backward through several sandstone pillars. Shinji exploded forward, throwing a punch, only for Mahito to catch his fist, grinning wickedly, despite the blood coating his face and matting more than half of his hair.

"My turn," Mahito grinned, then kicked him.

"Looks like he's finally figured it out."


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