Time passed!
One hour, two hours, three hours.
Genya didn't know how long it would actually take to transplant an eyeball, but Hikari had been at it for over three hours.
However,
A large part of the time was spent transferring green energy to Uchiha Shisui, seemingly to balance the connection between Shisui's body and the transplanted eye.
"What's going on?" Genya asked, noticing that Hikari finally relaxed for a moment. "Is the transplant successful, or a failure?"
Genya had been observing closely, but his knowledge of medical ninjutsu was still limited, not to mention the complexity of transplanting an eye, which was heavily tied to mental networks.
Especially the Uchiha clan's eyes—they were far more complex in terms of mental networks than others.
So, now he was eager to know the results: success or failure?
"Genya-sama, the eye transplant can be considered successful. The nerves of the eye are already connected, but..." Hikari sent another pulse of green energy before continuing, "The eye and the body still have a rejection. It needs the energy of Wood Release to nurture and further integrate!"
Hikari gave a straightforward summary of Shisui's condition.
Genya understood— the eye could work, but the body was rejecting it, much like how in the past, a pig's heart could be transplanted into a human. It might function for a while, but eventually, the body would reject it.
{In the medical world, gene-edited pig hearts have been used, but they still get rejected after a couple of months.}
This was a bad situation. There was a real chance the eye transplant could fail.
Genya's expression darkened, and he continued, "So, does this mean it's a failure?"
From the moment rejection started, he had felt a sense of helplessness. While he had anticipated this outcome, it was still disheartening to accept.
And this was after activating the Mangekyō Sharingan.
"It's not necessarily a failure," Hikari quickly responded, "With the energy of Wood Release, I can feel that the rejection seems to have lessened a bit!"
The atmosphere was serious.
It seemed like they were carefully considering Shisui's condition, trying to achieve an ideal result.
"Oh? The rejection is weakening?" Genya's eyes showed signs of happiness. "Does that mean it's possible to succeed?"
In the ninja world, with the help of chakra, combined with Hikari's Wood Release energy, perhaps the rejection could be stopped. There's hope for success.
"It's still too early to say. I need to observe for a few more hours!" Hikari said seriously. She became more relaxed, but continued observing the rejection in Shisui's eyes.
If necessary, she would inject some Wood Release energy.
Several more hours passed, and Genya stayed by Hikari's side, continuing to monitor Shisui's condition.
Shisui lay quietly in bed, waiting, while also sensing the changes in his eyes.
Before long, morning came, and the night had passed.
Shisui felt that his eyes didn't seem to be too abnormal.
"Shisui... can you describe how your eyes feel?" Uchiha Genya asked, wanting to know Shisui's experience.
"How does it feel?" Shisui thought deeply, then closed his eyes and moved his eyeballs. He could feel his eyelids being pushed up, and he could sense the movement of his eyes. "I can control my eyes, but... it still feels a bit swollen!"
"Then open your eyes and see!" Hikari said thoughtfully, wanting Shisui to open his eyes.
She needed to confirm whether Shisui could see. If he couldn't, then their entire night's work would be a failure.
Open his eyes?
Uchiha Shisui was startled for a moment but slowly opened his eyes. Instantly, he felt an intense soreness in his eyes, and tears began to flow.
Faintly, blood started seeping from the corners of his eyes.
However,
He still saw a few blurry figures in his line of sight, and one of them looked familiar—Genya. But at this moment, Genya had grown taller compared to the last time they met, and his face had become more determined, no longer as youthful!
Yet, these images were still very blurry.
"Can you see?" Hikari looked at Shisui's expression and guessed something.
"I can, but it's very blurry!" Shisui nodded, and the strain in his eyes made him close them.
"It's normal for it to be blurry. First, you've just fused the eyeball, and second, there's still rejection between the eyeball and your body!" Hikari explained Shisui's current condition.
"Hikari, can Shisui completely fuse with these eyes?" Uchiha Genya couldn't help but ask. Even now, he wasn't sure if Shisui could perfectly fuse with the eyes.
It would be perfect if Shisui could fully fuse with them.
"I can feel that Shisui's rejection is gradually lessening under the interference of the Wood Style energy. If he uses the liquid infused with my Wood Style energy to wash his eyes every day, the fusion should be perfect!" Hikari analyzed seriously.
"In the future, if the Uzumaki cell serum is used, the success rate will increase!"
While saying this, she wrapped a layer of bandage around Shisui's eyes, aiming to prevent them from being stimulated by the outside world.
"How long will it take for recovery?" Genya continued to ask, of course, this was on behalf of Shisui.
"It depends on how the fusion goes, but it won't take too long—about half a year to a year," Hikari assessed Uchiha Shisui's condition. "It's greatly related to his physical condition, even his mood will affect it!"
"However, after about a month, he should no longer need the bandage and can see normally!"
Hikari made it clear that he could see, but using the power of the Sharingan was definitely not possible.
"…"
Genya was also helpless. It looked like it was really up to Shisui now.
"Shisui... you'll need to continue your recovery. If the rejection from the cell serum doesn't lessen after the injection, I'll arrange for another eye transplant!"
At this moment, Shisui sat up. Though his eyes were bandaged, he immediately locked onto Genya.
"Whether I have eyes or not doesn't matter now. Actually, I've been living quite peacefully these days!"
"You can't keep being so relaxed. The future revival of the Uchiha clan can't happen without you!" Uchiha Genya looked at Shisui and continued, "Do you want the eyes of the Uchiha clan to always be eyed by someone like Danzo? Or are you waiting for the Third Hokage to scheme and wipe out the Uchiha clan?"
"Work on recovering, you still have many missions left to complete!!"
"Do I still have missions?" Shisui murmured, but his face slowly became more determined.
"Don't worry, I'll work hard to recover. Besides, I still want to personally ask Itachi why he decided to act against our clan!"
Genya nodded at Shisui. Sometimes, a person's beliefs really do make a big difference!
Suddenly, Genya thought of something. She looked at Hikari. "Hikari, how's the research on Uncle Shin's cell serum going? He's been pushing me again today."
****
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