Evil-Natured Husband, Don't Tease! - Chapter 104

Luis, a poor 17-year-old boy, tries his luck at becoming an Awakener to change his fate. However, his dreams are shattered when he fails to awaken a Special Spirit and is instead saddled with a 5 million dollar debt by their planet's colonizers, the Flying Star Empire.His life seemed doomed—until a mysterious system suddenly appeared in his head: The Monster Transformation System. It gave him the power to transform into any monster or animal he had ever seen.From a cat to an eagle, even a horse, Luis begins to understand that his power may not come from Spirit... but from the ability to become any monster.

The prosperity is about to come to an end, and the poor boy quietly rises.

Traveling across time and space, seek the leader of the world.

- 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

Leon Thorne was the disgrace of his house, overweight, softspoken, and dismissed as a failure before he ever picked up a sword. Mocked during the Awakening and branded an F-rank, he was expected to fade quietly from the halls of power.But he didn’t.Because this wasn’t his first life.In another timeline, Leon watched House Thorne fall, shamed, scattered and erased from history. Powerless to stop it then, he’s been given one chance to rewrite it now.Stripped of excuses and reshaped by hardship, Leon claws his way forward—through blood, sweat and silence. Now, leaner and sharper, he enters an academy where only strength speaks and legacy decides your worth.But Leon carries no crest. No backing. Just scars, a sword, and the will to shatter fate itself.He’s not looking to be acknowledged or praised.He’s going to rewrite everything.NO MATTER WHAT IT TAKES.