I became a god by treasure hunting after arriving 500 years early - Chapter 67 - 64: The Hidden Crisis

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

Jang Joonbum started stream to enjoy an easy life.

Coming to the multi-dimensional Marvel world, shuttles countless movies, anime, and television planes, based on Marvel arms giant Ambrella.

Predatory Terminator, Mechanical Octopus, Mechanical Enemy, Galaxy Fleet, Pacific Rim, Transformers’ high-tech technology to build a mechanical empire, devour and merge, Superbody, New Iron Warrior, Endless, Super Out of Control, Underworld, Naruto The power, genes and technology of tomorrow’s fringe …. established a steel empire belonging to the gods of science and technology, becoming the strongest arms dealer in Marvel history.

PS: In the real world, Marvel movies are the main line, with comics as the auxiliary. The protagonist takes science and technology as the main body and magic as the auxiliary.

- Description from Uukanshu

At long last, Fu Zhi, the mysterious heiress who had developed countless technologies was given two guardians by the country! Initially, the Lu Brothers shut her out when she joined the Lu Family. However, after spending some time with her, they began to warm up to her and took turns showing their brotherly love for her by throwing money at her.