Demon Sword Maiden - Chapter 59Book 12: : Scar of Heaven

When I was reborn in South Korea, I wanted to live my life in peace. Pass the activation system, unlock the 'Big Brother' career, obtain the invincible system, and embark on the road to power

In a world where human and monsters relied on mystical fruits and their inner power to fight for dominance, a lost soul was thrown, given the powers from all the other worlds he’s known. But there was a catch; he had no control over what power he would get! With knowledge beyond that of most, he sails his path to the top of the one piece world!

- Description from Novelupdates

Introduction to the Glory of the Sun God.

A life with the power of the sun, through the story of the world of Marvel.

The sun in mythology is the great existence that controls the alternating of time series, the growth of all things, the restraint of all dark evils, the master of light and flame.

The sun in reality is a member of the star. The greatest celestial body in the universe. It is the ultimate existence of magnetic attraction.

What happens when these forces are concentrated on one person.

- Description from Novelupdates

Long Fei, a cross-timer and doujin, is an otaku who traveled to another world. In the original world, he was an otaku fan of Gundam and military science fiction.

He died in an accident and was reincarnated into another world. The Gundam works he had read before his death and the techniques in various military novels could be brought to another world.

How would he use the Gundam that Long Fei created? What waves can be caused in this different world?