Naruto: Kurotsuchi Mayuri

"Go eat first. Your body needs a lot of nutrients right now. Over the next period, your appetite will increase and you'll eat a lot. This is normal," Kagetsu continued, sighing as he watched Might Duy cautiously place his feet on the floor. His knees buckled, and he nearly fell.

A black shadow from Kagetsu's body merged into Might Duy's shadow, and black, nerve-like tendrils quickly climbed up his body. 

After just regaining control of his body, Might Duy suddenly felt an additional force supporting him.

His weak body was held up like it was using a crutch, helping him stand firm on the ground.

Might Duy knew about the Nara clan's shadow techniques and had experienced Kagetsu's shadow jutsu many times before. But the sensation now was completely different from before.

It was a strange feeling.

There was no struggle for control between him and the shadow, but his body seemed to be controlled by two different forces at once. The new control felt more like an aid, something like a crutch, supporting his body. It was conscious, replacing his control over his own body.

It was like his body couldn't move, but with the help of tools, he controlled the tools to indirectly control his own body.

"I'll take you out," Kagetsu said as he walked, signaling Might Duy to follow.

"I've prepared some special Military Rations Pills for you. They can temporarily ease your hunger," Kagetsu said as he walked past the operating table and handed a palm-sized bag to Might Duy.

Might Duy opened the bag to reveal three Military Rations Pills sealed in wax. He didn't hesitate, took one, and broke the wax shell. He quickly popped the black pill into his mouth.

After chewing a couple of times, he swallowed it with saliva.

In an instant, he felt a noticeable change in his body. His digestion felt almost unfamiliar to him.

As soon as the pill entered his stomach, he felt it completely digested. His hungry body quickly absorbed the contents of the pill, and it was gone almost immediately.

At that moment, Might Duy wasn't sure whether Kagetsu had improved his original Military Rations Pills or if his digestive abilities had become terrifyingly efficient.

"Guy!"

After leaving the Technology Development Department, Might Duy quickly spotted Might Guy, who was training near the lab. He realized that, to wait for him, Guy had probably been training here for a long time. Touched, Might Duy rushed forward and hugged him.

"Father!" Might Guy returned the hug, also excited.

"Guy, to celebrate youth and passion, let's start training!" After the emotional reunion, Might Duy declared their training session.

"No way, Duy-san!" Kagetsu's voice suddenly came from behind them, causing the father and son to freeze in place for a moment. "You should eat first and make up for your body's energy deficit."

"Hahaha, I forgot!" Might Duy turned around, awkwardly scratching his head and smiling at Might Guy.

...

Seven days later.

After completing the tests, the Might father and son were fully freed.

"My physical strength has nearly doubled. My chakra amount has also increased by double. The cost is that my appetite has grown, and my digestion has improved.

The fatigue after training can now be recovered quickly in a short time. If I have food, this recovery time will be even faster!

As for the Eight Gates Technique, I could previously handle the aftereffects of opening the fifth gate without too much of a problem. But after opening the sixth gate, my body would suffer a backlash from the burden of the Eight Gates, and my combat strength would decrease for a period.

But now, my body can handle the pressure of opening the sixth gate. This means that I can use the sixth gate as a regular technique, and because of the increased chakra, it's even stronger now."

Kagetsu was listening while happily recording all the data about Duy's body into his experimental scroll.

Duy's body data was incredibly valuable for a taijutsu ninja. For research-type ninjas who could use it, the benefits were even greater.

If the ninja practiced the Eight Gates Technique, it became even more precious and important.

"Yeah, everything's great. The only downside is my bigger appetite," Might Duy said with a frown. In the past, the food he and his son, Guy, ate after training was manageable, but now that his appetite had grown, even though he was taking on more missions, his food expenses had increased massively!

Recently, Might Duy's daily training routine included hunting in the Forest of Death for wild game. The forest had a rich supply of large animals, and it also gave him a chance to get familiar with his body, which was gradually becoming stronger again.

Yes, before, he had reached his limit and could barely maintain his state through intense training. But now, with his physical strength improved, his potential has been raised once more.

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