Mitou Shoukan://Blood-Sign - Volume 4, Stage 03 - The Elegant Throne which Invites That Queen

Xiao Yu, who was a student from modern Earth, accidentally transports to another world and becomes the lord of a territory. Facing an unfavorable situation, he vows to take back his family business, build his new territory, kill all of those who covet his wealth, and dominate the world!

- Description from Novelupdates

When Yao Shen, Patriarch of the Heavenly Sky Sect, ascends and regains memories of his past life on Planet Earth, he realizes that he can no longer allow himself to accept the cruel and violent ways of Eliria, the realm of cultivation. So he decides to change it. It was time to found a new sect. One based on the values of honor and equality over senseless violence and discrimination. A sect where all, from the mortal farmer’s son to a sect elder's daughter, were held accountable to the same rules. Welcome to the Modern Sect.

In the chaotic world of Ancient Greece, a modern soul is reborn into the body of a young warrior. Armed with knowledge of future empires, military tactics, and innovations, he has no mercy for his enemies as he sets his sights on dominating the Mediterranean. Ruthless and ambitious, he will use every advantage at his disposal to rise to the top. From the heights of Athens to the streets of Rome, alliances will be forged, rivals crushed, and a new empire built from the ashes of the old. In a chaotic time full of treachery and power struggles, only the strong survive.Dont read yet the novel is a complete mess it will be fixed by the day after tomorow give it a try by then.

In this world, Planet Earth had undergone great changes and humanity is faced with extreme danger. Luckily, humans have something called the Heaven Dao software.