Dungeon King: The Hidden Ruler - Chapter 3

When he woke up, there was actually a beautiful CEO wife of Queen Fan.

When Lu Wu opened his eyes, he found that the world had changed completely.The world before him did not have fancy magic, nor ultimate Dou Qi.What it had were summoners that form contracts with summoned beasts.And coincidentally, he was such a summoner, although not a professional one, and his first summoned beast was a piece of crap.But that was fine, because he also had a golden finger!

Karl Wagner is a disgruntled middle-aged instructor at the Bundeswehr Command and Staff College. He finds himself concerned about the direction which the German nation is headed in—just as he is killed by a terrorist attack. Only to awaken and find himself reborn as an infant, Bruno von Zehntner, the youngest son of a noble family renowned for its part in the German war industry a few years after the founding of the German Empire. Bruno, as he is now known, desires to rewrite history and ensure the German Empire emerges victorious in the coming century. And in doing so, finds himself entrenched in a world filled with Blood and Iron!

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.