I Became a Magical Girl In a Harem Manga - Chapter 4 - Please go away (1)

In the 21st century, she was the talented leader of the hidden family clan, once she crossed over, she became the number one waste?

A once supreme celestial being is reborn in the world of mortals!With the ability to decide life and death in his left hand through his remarkable medical skills,And overwhelming supernatural powers in his right hand to crush everything!Unrivaled in both medicine and martial arts, he roams freely with arrogance!

Tong, a sinner who was suffering endless torment in hell because of his mistake he had done in his previous life, was giving other chance to redeem himself by the devil.

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?