The Extra of The Lunerra - Chapter 380 Volume VI - 13: A Challange

What happens when a fanfic author with a habit of lying and scheming suddenly finds himself as a self insert during Duelist Kingdom? What happens when you have Yugi, Joey, Kaiba, and the rest encounter someone who knows all about every major player in their saga... and sees no problem with abusing said knowledge? Chaos, dear reader. Sweet, sweet chaos

After 2000 years has passed, the ruthless demon lord has just been reincarnated! But his aptitude at an academy for nurturing candidates for demon lords is, “Inept”!?

Su Ling was reborn before the end of the world, and got a system that can strengthen everything.

In order to survive, she made the greatest preparations in the shortest time, took revenge on the scumbags and scumbags, and then embarked on a new journey.

On the way, she met Sheng Hongye, an all-around handsome guy. At first, she just wanted to live a good life, but later she found out that she had somehow become the hostess of a new type of tribe.

“Sorry, I’m not interested in the hostess.” Su Ling said with a cold face.

A certain man: “Good boy, then let’s work on the infrastructure.”

Su Ling was annoyed. “Go away, is there anyone doing infrastructure work on the bed?”

A certain man: “Hey, I know you’re tired, so let’s be your successor.”

- 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!