MTL - Supreme Throne of Doom - Chapter 20 Eerie Building

Sam Sanderson is envied by many for his job, however he himself didn't seem to like it much.

Due to his expertise in nanotechnology he was tasked with monitoring the state the Valkyries, humanity's strongest weapons who all just happen to be made into gorgeous females.

Forbidden from even touching any of them, Sam spends his days in agony watching flowers he couldn't hope to touch. However one day all of that seemed to change.

Douluo Continent, Star Luo Empire, Star Luo City.In the finals of the All-Continent Advanced Soul Master Academy Soul Dueling Competition, Liu Xing looked coldly at Shrek Academy's last hope on the opposite side and said, “Huo Yuhao, Wang Dong, surrender now, and no one will get hurt.”High above Shrek City, Liu Xing stared at the Radiant Holy Dragon soaring into the sky and said in a deep voice, “Ten thousand years of Shrek, today you will be erased.”Facing the Sea God Tang San, who had illegally descended to the lower realm, Liu Xing's voice was like a chilling wind, icy and bone-piercing: “Sea God Tang San, you have violated the law and recklessly interfered with the lower realm. You are courting death.”Hearing this, Tang San was momentarily stunned. Why did these words sound so familiar?••••There is only one single female lead for now but there are many female characters who will have feelings for mc.••••

In order to chase down and kill her own murderer, Xia Yichu reached an agreement with the 233 system, and she will travel through the world to complete the task, and The 233 system helped her return to the original world.
However, Xia Yichu often encountered a broken BOSS while he was on his way to do the task. He did n’t agree with each other on the wall, the bed, the various patterns, and kept talking.
System: Please use one word to describe the other person’s impression in your heart.
Xia Yichu: Competent.
Shen Jiaye: Mine.

- Description from 69shu

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?