Doom Lord - Chapter 119- Asking For A Astronomical Price

Mr. Gu, I have a crush on you######Recommending a new book: “Empire Master, You Are Mine”(The main text is completed, feel free to dive in) “Mr. Gu, I indeed have a crush on you. I'm not very brave, and I dare to say such words of liking you only once. If you have not the slightest bit of that kind of feeling towards me, then I will resign right now.”“Very well, An Junxi, no one has ever dared to threaten me.”“...So, what now?”“You have provoked someone you shouldn't have. Stay where you are, I will come over immediately!”

Yuki, a high school junior, dies heroically saving a stranger and is reincarnated in a fantasy world, where he discovers an extraordinary and unrivaled power.

In a fascinating new world, Sam finds himself reincarnated as a developer of unique simulations for a society of monster hunters known as “Hunters.” These skilled individuals employ advanced simulations to sharpen their abilities and acquire new skills essential for their dangerous profession. Drawing from the popular video games of his past life, Sam crafts immersive experiences that challenge and prepare the Hunters for the perils they face. As he navigates this thrilling realm, he discovers the impact of his creations and the true essence of bravery in the fight against formidable monsters.

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?