The Crimson Reaper - Chapter 32: Something Wicked

Uchiha Kai has been cautious since he came to this world. He vowed that he must be cautious and go to the end.

But one day he received a mission – to cover the wave wind team to blow up the Kamabashi Bridge, Uchiha Kai knew that he was going to be unlucky…

- Description from novelbuddy

(This Story Takes Place In AU So, Don't Expect To Go Things As It Was In the Original Mahabharat.)

A Young Boy From Kalyug Named Jaswant An Orphan But Was Hardworking And Caring To His Fellow Orphan. But When He Was At The Age Of 16 Years Old When He Died Mysteriously And Got Reincarnated- As Karna From Dwapar Yug With Boon As A System.

Let's See What A Boy With a System From Kalyug Does In His Second Life, Will He Live As the Original Karna, Will He Walk On His Path?

Nagasawa crossed to Naruto Universe and was bound to Konohagakure.

If Konoha is severely damaged and destroyed, Nagasawa’s lifespan will be reduced.

He panicked at the thought of the upcoming Nine-Tailed Demon Fox’s attack , and the thought of Konoha getting destroyed left him in despair.

Fortunately, while bound to Konoha, he can obtain templates of powerful characters.

At the beginning, He got the Whitebeard template! Since it’s the Whitebeard from the Summit War of Marineford, he can use Tremor-Tremor Fruit’s ability and Haki.

Facing the Tailed Beast Ball, which terrorized Konoha Shinobi, Nagasawa leaped and shattered the Tailed Beast Ball with one punch!

- Description from Novelupdates