White Online - Chapter 424: lsaac The Shopkeeper.

It begins on the mountain.

With the glint of a knife, a flash of steel in the hands of a sworn brother. A betrayal.

Stabbed and pushed down the mountain, Zi Chen lied within the red-stained snow, left to die.

This is where it begins; he is given life by lightning,
baptized by thunder.

Those who had once betrayed him should all suffer in his cruel revenge.

- 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?

- Description from novelbuddy

“Xavier Lancaster, the richest and most influential man on Earth, lives by one simple motto: 'Money First'. A brilliant strategist, ruthless businessman, and master negotiator, he built an unshakable financial empire. But when a mysterious incident transports him to a medieval world on the brink of collapse, he finds himself… the ruler of a weak and crumbling kingdom.Faced with corrupt nobles, hostile neighbors, and a shattered economy, Xavier decides to use the one thing he knows best: the law of the market. Armed with his cunning, modern strategies, and cutthroat business sense, he turns every problem into an opportunity and every enemy into an investment.His goal? To become the richest and most powerful emperor this world has ever seen. But in a land where strength rules and magic exists, will money really be enough to buy everything?Get ready to witness the rise of a man who’s ready to put a price on the throne itself.”