Reborn in Jujutsu Kaisen World with THREE wishes

Megumi's POV

I was about to take Sukuna's finger from Itadori Yuji when a curse attacked from above. I pushed Itadori away and I was grabbed by the curse spirit. Then, I was smashed against the wall and fell from the fourth floor.

Itadori Yuji came and helped me.

"Itadori, take them and run away."

He refused, "Aren't you in danger too?"

I told him a curse could only be countermeasured by a curse. He tried to eat Sukuna's finger.

'Ryomen Sukuna's finger is a special grade curse. It's a poisonous thing, so he will die. But what if...' I thought.

"I'm late?" I heard a girl's voice coming from.behind me.

"Ah..I knew I should've ran here or something." The girl said as she walked past me. She had long silver hair and wore a black costume. She was about 168cm tall and had a slim figure. She doesn't look physically strong but the aura.. was different.

"BOOM"

Another explosion came and I found it was likely Ryomen Sukuna in Itadori's body. The worst case scenerio..

I was shocked and trying to find words when the mysterious girl suddenly talked, "So you're Sukuna? I was really curious, you know." She then threw a punch at Sukuna. Sukuna dodged and asked, "Who are you, brat?"

"Well, someone who has been questioning about life and luck, I guess.. You really have no idea how much I'm trying to find a high-grade curse." The girl replied with a sigh at the end.

Sukuna fought back and she dodged. She even counterattacked at some points using cursed energy. She was surprisingly good at martial arts and control over cursed energy was very neat, too.

After a few blows, she said, "That's enough. I don't like fighting with fists so why don't we stop and you give back the body to him."

"Who are you to tell me what to do?" Sukuna laughed.

She didn't reply to Sukuna.

Sukuna was holding his own face and said stuff like giving body back and suppressing him.

"That is...you are Sukuna or Itadori..?" I wondered.

"He's Itadori probably..I'm about 90% sure just because I don't do 100% much" The girl said to me.

"Who are you? You're a Jujutsu sorcerer too, right? Are you from Kyoto Jujutsu high school?" I asked.

She scratched her head and awkwardly started, "My name is Nakamura Sachiko. As for school, I graduated from a normal high school. I've never been to a Jujutsu School."

"Really?"

"Yes."

"So, how's it going? Did you get it?" I heard Gojo sensei's voice from behind.

"About that finger..." I started.

"Sorry, I ate it." Itadori raised his hand and said.

"Really?"

"Yes."

"Yes."

Itadori and I replied at the same time.

"Yeah, he did. By the way, you must be Gojo Satoru, right? It's my first time seeing you in person! Can I get a photo with you later?" Sachiko said enthusiastically.

"Well, yes but I have to see Sukuna first." Gojo sensei replied with a laugh. He then walked to Itadori to test him.

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Normal POV

Gojo Satoru asked Itadori to let Sukuna take over for ten seconds and then fought with Sukuna.

After ten seconds, Itadori returned and Gojo knocked him out. Then, he turned to Sachiko.

"You said photo,right ?"

"Oh..yes." Sachiko took a selfie with Gojo.

"Thank you!!" Sachiko squealed as she looked at the photo.

"It's fine." Gojo said.

"Umm...you're from Jujutsu High right? Can I come too?" Sachiko said.

"Oh?" Gojo said as if he was curious.

"I never really had a chance to go to a Jujutsu school so I want to come if that's okay." Sachiko explained.

Gojo frowned, having sensed the amount of cursed energy inside her body.

"It's because of my innate technique, I used to practice by taking care of curses in our town. So, I thought it would be great if I can actually attend a Jujutsu school."

"Is that so?" Gojo said after a while, "Well, I can take you but it's not my business if you're accepted or not."

"Thanks."

After that, Gojo gave the address they were going to meet up the next day to her and she left.

After Sachiko left, Megumi said, "Gojo sensei, she said she had never been to a Jujutsu school before. But, she knew Sukuna and even fought with him when she got here."

"She fought with Sukuna? How did it go?" Gojo's eyes lit up, suddenly became interested.

"They exchanged a few blows and I don't think she was pressured by Sukuna. Maybe it was because Sukuna didn't use curse energy but it's hard to tell.."

"So that's how it is. Interesting." Gojo grinned.

"Don't you think she's suspicious , sensei?" Megumi asked.

"Suspicious but interesting. That's why I want to see what she is up to." Gojo replied.

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The next day Sachiko came to meet up with them. On the way to Tokyo, Gojo Satoru asked, "Well, since you said you want to attend the school, I wonder what kind of technique you have?"

"I have two. One allows me to see possibilities and probabilities of things. I named it Possibility, though. Another allows me to manipulate cursed energy into any shape I want."

Sachiko replied with a smile.

'Two techniques with that amount of cursed energy. Interesting.' Gojo thought.

"Excuse me, but what is the technique you're talking about?" Itadori asked.

"Well, the technique Gojo san asked is cursed technique. You already know curses right? We use cursed energy ourselves to exorcist the curses. Cursed techniques are techniques to utilize cursed energy in many different ways." Sachiko explained, not realizing Gojo was staring at her.

After a few hours ride, they were at the school.

"So this is the Jujutsu school? the scenery is beautiful." Sachiko said as her eyes taking in the beauty of the school.

"Alright. I'll go in with Yuji first." Gojo said.

Sachiko waited for a few minutes then Itadori came out. "Gojo sensei said It's your turn now." Itadori said.

"Okay." She went inside the room and saw puppets lying on the floor. Gojo was standing at the side.

"This is the principal , Masamichi Yaga."

The principal looked at Sachiko.

"Why do you still want to attend our school?" The headmaster asked.

"Isn't it obvious? I'm strong and I want to fight curses." Sachiko gave a Gojo Satoru attitude answer just to mess with the old man.

As expected, the principal coughed. "It's not a good reason."

"It's not? Why? I'm strong though. Are you saying me being strong is wrong? What should I do? Should I nerf myself?" Sachiko acted like she was confused.

Gojo Satoru laughed at the side.

"If this is how you wanna play, fine. Defeat every single puppet in this room within a minute and I'll let you in." The principal said as he made the puppets attack Sachiko.

"Alright." She said with a smile and muttered, "Just so you know, the probability of the puppets getting destroyed within ten seconds is 100%." As she muttered, she sent a wave of cursed energy to hit every puppet and they exploded.

"....."

It wasn't even ten seconds yet and the puppets were all destroyed. Sachiko asked innocently, "Is this good enough? I normally don't boost by saying the 100% probability but since you set a time limit, I have to show off."

"Cough..cough.. Even if you're strong, you still need a good reason.. Not to mention it's a troublesome thing to let a random nineteen year old join first years."

"But you already said you'll let me in if I can defeat the puppets." Sachiko frowned.

At that moment, Gojo Satoru interfered, "It's a bit troublesome to put her in the first years but since you already gave your word, you can't take it back, principal"

"...I wasn't going to. But as I said, you need to find a better reason than this in the future." The principal sighed, "Satoru, show her the dorms."