Simultaneous Transmigration: We Share a Role-Playing System

After waking up and regaining his body, Itadori finds himself being pointed at by a middle-aged man dressed in samurai attire, who is holding a pure black katana. He is then surprised to find that the two of them are standing on a narrow, load-bearing pillar.

All around them were collapsed buildings, which upon closer inspection turned out to be their own school.

Startled, Haddock lost his balance and fell towards the ruins behind him.

"Aaaaaaah!"

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"Dr. Locke! You're actually this handsome without your beard?"

"There's no way around it, having a relatable appearance is a talent. After all, every reader who sees this far will feel like they're looking in a mirror when they see my real face, and think they've surpassed Daniel Wu."

"Although I can't hear what you're saying, I'm still very curious. Dr. Locke, you're rich, a doctor, and so handsome, yet you're still unmarried at your age. Oh! Is it because of your secret identity?"

"You're not wrong. I did date a female doctor who was younger than me before, but I was afraid of what would happen like this, so I didn't continue."

After finishing his call with Gojo Satoru, Fushiguro Megumi turned to look at the two "kids" with a very strange expression, unable to believe that the old man in front of him was the same Nishikida Keiryu who had just easily defeated Sukuna.

After rescuing Itadori, explaining the situation, and chatting for a while, he felt apologetic for not being able to accompany Itadori Yamasuke on his final journey.

"I'm sorry, Itajō. I thought your grandfather would at least make it to tomorrow, so I went to see a very important person today. That's why I'm late."

Seeing Locke apologize to him so earnestly, Huzhang quickly waved his hands and shook his head, his face full of sincerity, and said:

"Dr. Locke, you've already taken good care of me and my grandfather. This time you saved my and Fuhei's lives. I should be thanking you, not apologizing to you. If anyone is to blame, it's my impulsiveness."

While Locke was not surprised by Huzhang's sincere gratitude, it still made him sigh, realizing that some people are born with a childlike heart.

Who could possibly feel disgusted by someone like him?

"Um... Dr. Locke?"

Thinking of the questions that she couldn't ignore, Fushiguro Megumi stepped forward and interrupted their conversation. After a moment of hesitation, she asked the question that had been troubling her for so long:

"What exactly happened between you and Su Nu just now?"

"Ah, that's a long story, but I'll keep it short. You know the concept of reincarnation in Buddhism, right?"

"Of course I know that after a person dies, their soul enters the cycle of reincarnation, undergoes rebirth, and is reborn as a new individual."

Fushiguro Megumi nodded, looking at Locke with curiosity, pondering in her heart that compared to before, whether it was temperament, appearance, or even the tone of voice, he seemed to be a completely different person.

It looks a bit like a spirit summoning ritual. That idiot Gojo Satoru once told them that through a medium-based spiritual technique, one can summon the dead to possess certain qualified individuals. But I've never heard of a case where one can summon the dead to possess someone without a medium.

Could it be a specific technique or a modified spirit summoning method?

But soon, Fukuro Megumi realized that he had indeed overthought things. This had absolutely nothing to do with spirit summoning techniques, and it was even beyond his imagination.

"That's right. After a person dies, their soul is reincarnated. Except for the soul form, which will retain a similarity to the previous life, the person will basically be a different person. However, there is one exception."

"?"

"When a person's soul is strong enough, and can break through the limitations of reincarnation in each life while retaining memories and the independence of the soul, and maintaining the soul information from being destroyed, then he can become an individual with memories of his past life."

This explanation, which seemed like something out of a fairy tale, left Fushiguro Megumi's mind blank, but he subconsciously recalled what Nishikida Keiryu had said earlier.

"After all, I was once a Shadow Ninja with the same Shadow Techniques. I fought alongside Mo Xuluo for so long, how could I not know?"

Is it really possible to retain memories and the power of one's past life through reincarnation?

"You mean you not only retain all the memories of each life, but also possess the power from your past lives?"

Fushiguro Megumi originally wanted Locke to prove something to her, but thinking about her battle with Sukuna earlier and Sukuna's reaction, she suddenly realized that it was unnecessary.

In other words, what this man named Locke said is true, and he possesses the memories and power of each of his past lives, and is able to summon his past lives.

Hmm, this setting seems so familiar. It's like the protagonist of an anime I watched before had a similar ability.

What was that movie called again?

Oh, I remember now, Avatar!