Firestorm Shinobi.

Two Uchiha boys born at the same time from two noble Uchiha families. Renjiro and Ray were those two sons. Being born in the Uchiha clan already gave them a bright future, but they were different. As soon as they were born the sage of six paths paid them a visit. He gave Renjiro the yin half of his chakra, and gave Ray the yang half just before disappearing into the night. The sage needed to do this because Naruto had just died. Naruto died at the age of 117. That made him the longest-living man. He died peacefully in the hospital in the room next to Renjiro and Ray. Since Naruto didn't have the seal on him Kurama was let loose. Kurama was angry at humans. Kurama was angry to see how easily they forgot about Naruto, and all he did for the world. Since the new uprising of the Uchiha clan, they were mostly used in fighting Kurama. So they wanted the one of their own to have Kurama sealed in them. No matter what the jinchuriki would be helping the village. Therefore the Hokage agreed, and one of Boruto's grandkids used the reaper death seal to seal the half of the nine-tailed fox in the sons of the highest-ranked Uchiha. Those sons were Renjiro and Ray. Ray getting the yin half of Kurama, and Renjiro getting the yang half. These kids won't grow up in the same world as Naruto. Ninja are much stronger now, and the world is very different.

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Renjiro: Ray wake up. It's time to start our last year at the academy.

Ray: Just give me about five more years.

Renjiro: Do you mean 5 more minutes?

Ray: We could do it in minutes if you want. It would be…

He slyly brings out a calculator.

Ray: It would be 2,631,600 minutes. Start the clock. I'm going back to bed.

Renjiro: I still don't know how you got a calculator.

Ray: practice my young feratu.

Renjiro: What does that even mean?

Ray puts on his special Uchiha gear, and Renjiro passes him a kunai.

Ray: IT MEANS IT'S TIME TO START OUR LAST YEAR AT THE ACADEMY!

Renjiro's Dad: SHUT THE FUCK UP BEFORE I GET MY BELT!

Ray: AND IT WOULD SEEM THAT WE SHOULD GO RIGHT NOW!

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Renjiro and Ray decided to sit right next to each other.

Midori: Today we will be throwing kunai and shurikens. I want to remind you I do not assign homework. I expect you to know what you need to do to become stronger. Now follow me.

They all go outside. The kids start throwing shurikens. Some kids do well, and hit the target. Others hit themselves. Then the four Uchiha students go up to throw shurikens. Ray and Renjiro throw three at a time. They all hit the center. The other two Uchiha students throw one at a time, but they still hit the center with dead accuracy.

Midori: Okay that's enough for today. You all did well. I want you all to practice your shurikenjutsu.

Renjiro: I thought you said you don't assign homework.

Midori: You don't have to throw anything Renjiro.