Spy Mage System - Chapter 28

James, a brilliant mechanical engineer and passionate history enthusiast, loses his life in a tragic house fire—only to find himself in a mysterious world as the ruler of an island nation. Armed with his modern knowledge and unwavering ambition, James embarks on a bold mission to industrialize his kingdom and build an empire on which the sun never sets.

Transmigrating into a poor and mistreated young lady's body, what will the craziest alchemist of the seven realms now do?

The Great Film Emperor, Ji Mian thinks that Young Master Xiao Jiashu is an arrogant, poison-mouthed, spoilt, rich snob who exploits his strong background to ruin people’s lives on a whim. But when he somehow obtains the ability to read minds, Ji Mian comes to realise that Xiao Jiashu is probably the most adorable person in the world.

This is a story about the rise of the acting-fanatic, Xiao Jiashu, as he silences his haters and wows the world with his magnificence.

- Description from Novelupdates

This is a reincarnation/isekai story, about Matt (later TreeTree), an overpowered tree in a fantasy world that serves as the battlefield for an ongoing conflict between demons and the heroes summoned to oppose them.At first a bystander, over a long period of time, TreeTree will learn all sorts of skills, gain levels, and in doing so, build up a forest, train young subordinates, protect a village, and more.