Gu Fang Bu Zi Shang - Volume 2, Chapter 48

You have all read about Self Inserts and their adventures. Some are good, some are bad. All of them are entertaining. What would happen if the person involved had a choice about who they could become? What would they do? Be good? Be Bad? Have more fun than anyone ever deserves?Join me as we explore a brand new Gamer-like existence with The Protagonist System!(all characters and likenesses are copyright their respective owners)Warning: I will not apologize that this story is completely wish fulfillment. It's a story and I'm going to have fun with it.

What’s worse than finding out you’re that Louis XIV when you’re a baby?

Of course there is, for example, it’s still a magic version.

- Description from novelbuddy

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

A young man from the Miaowei Tribe brought up by his strict father, suddenly turned into Wizard I on the day he was orphaned. He then obtained the ability to control giant worms.