MTL - Reborn in Brazil As a Plutocrat - Chapter 13 meet lilith again

In 2100 at the turn of the century the first full dive VMMORPG game 'Omega' was released

QiLeren had just cleared the bad ending of «The Nightmare Games» when his laptop died well before its time. His luck seemed to follow him as he was transported, along with the other passengers, to a hospital following an accident between his bus and a truck. Upon waking in a transfusion hall rather than a ward, QiLeren felt a familiar sense of dread as he took in the hospital that held no trace of other people…

Book 1 of a Trilogy

- Description from Novelupdates

[You can now choose three of the following seven options
1. Go back to five years ago with the present memory
2. Five centimeters taller
3. Seven million deposits
4. Appearance +50 points
5. A company with a market capitalization of 500 million
6. Proficient in a foreign language
7. Teaser live broadcast 10 million virtual coins]

Li Ang became angry after finishing the selection: choose every day, choose, choose, you will give it after the selection!
…
Fuck, it’s really shipped!

- Description from novelbuddy

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?