Marvel: Trading with Worlds

"It's a waste for Nohara Rin to die like this, but if Obito doesn't die, it will be difficult for him to open the Mangekyō. The cultivation of Mangekyō was sloppy from the start. If I let it go, I won't be able to get it again."

Kain felt a little embarrassed, but Nohara Rin, who had been developed into a strong individual by Yakushi Nono through extensive resources, was in a situation of potential waste.

At Konoha Hospital, Nohara Rin's medical ninjutsu ranks among the top ten, and the curse mark on her body has slowly dissipated, turning into Yin Release Chakra that has influenced her thoughts.

When Kain saw her in Konoha a few days ago, Rin greeted him with a bright, youthful smile, one that suggested she had moved past the trauma of Obito's death. Nono's evaluation of Nohara Rin is high.

In the original story, Nohara Rin completed an eye replacement operation in a very short period and also mastered Healing Jutsu, a high-level medical ninjutsu. 

Among those who learned medical ninjutsu at the same time, no one was stronger than her.

"It's too wasteful for her to die. Let's find a way to save her."

Kain decided in his heart and then prepared to refine a magic item. While he could heal injuries like a pierced heart in his presence, he didn't have the time to focus solely on Nohara Rin.

 Besides, the Battle of the Land of Water had not fully erupted yet, and Kain had to go to other worlds. Who would have thought that Uchiha Madara would act on the same day?

"There is a black magic that locks the soul, but combining this magic with Apparition is really troublesome. I hope that Nohara Rin will repay me well. If Uchiha Madara really follows through with his plan, I could at least harvest Three Tails."

Thinking this, Kain felt motivated again. The potential harvest wasn't too bad—a Three Tails and a very high-level medical ninja.

Though Rin Nohara has a relatively naive temperament, with proper training, she could succeed Yakushi Nono in the future as a member of the Konoha Medical Department. 

As for Nono, she would definitely be transferred to the Land of Fire by Kain.

Kain researched and experimented for a long time, finally creating the magical item he had envisioned.

Not much time remained, so Kain solidified two magical effects into the alchemical item. The first was black magic that could lock the soul within the body, preventing death from approaching to some extent.

 The second was an Apparition function, but it could only be activated after the black magic triggered, transporting her to a secondary alchemical item that determined the Apparition location.

This idea was inspired by ancient runes found in the dragon's veins, and Kain had failed many times before finally succeeding.

Once the research was complete, Kain immediately sought out Nono. Though Kushina was closer to him, Kushina's pure personality made it better to avoid involving her in such things. 

Nono, on the other hand, was bred to be a spy, with great tolerance for the actions Kain had in mind.

In the middle of the night, Kain arrived at Yakushi Nono's house and told her what might happen to Nohara Rin. However, there were many changes involved, and some things couldn't be fully explained.

Nono nodded in understanding after listening but then asked, "So, I just need to cure Nohara Rin after she's sent back, but how do I explain this to Konoha afterwards?"

"At that time, Orochimaru should be the Fourth Hokage," Kain replied. "I'll tell him about it, and delaying death will damage the memory. By then, Nohara Rin probably won't remember much. She'll just need to come back on her own."

Kain explained to Nono that the black magic would come at a certain price, and if Nohara Rin wasn't treated soon, she might become a fool, and her role would only hold the value of Three Tails.

"I understand, boss," Nono said. "But this magic accessory is really beautiful. It's hard to believe it has such powerful abilities."

Yakushi Nono pushed her glasses up as she spoke. Kain suddenly noticed that her lips were slightly moist. Did she wear lipstick?

"You have one too," Kain replied. "It's the same as Kushina's. It has three abilities: defense, energy recovery, and Apparition. As my important subordinate, you can't go without a standard magic accessory."

Kain pulled out a necklace and handed it to Nono. Without Apparition, she wouldn't have been able to treat Nohara Rin as soon as she was sent back.

 Even with recovery potions, she would need a medical ninja to help Nohara Rin recover, but shinno wasn't available for this task at the moment.

Nono quickly took the necklace but couldn't resist venting her dissatisfaction. "Important subordinate? Do you expect your subordinate to give you a massage today? As a medical ninja, shouldn't I be able to assess the performance of my boss when he's tired?"

"Nonsense!" Kain immediately dismissed the idea. His physical fitness wouldn't show fatigue.

However, Yakushi Nono lifted her skirt, revealing her long, shapely legs wrapped in white silk, and her moist lips behind slightly innocent glasses.

Kain hesitated for a moment, then cleared his throat and said, "Then, please..."

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