MTL - Immortal Executioner (Zhanxian) - Chapter 22 Yin five lines complete (a)

I originally thought this was a world like an ordinary urban novel…Drawing comics by myself, traveling is pretty good.
But tell me, what happened to this magician called “Emiya Kiritsugu” who jumped on my face?
Who changed the settings?
Currently involved in the content of “F/Z”, “F/SN”, “Fantasy Carnival”, “The Emiya’s Meal”, “The Holy Grail of the Imperial Capital”, “FLA”, “Elmello II Event Book”, “FGO”, “FE”, etc.
Others related to “JOJO’s Bizarre Adventure”, “Rebellious Lelouch”, “Persona 5”, “Attack on Giant”, “Death”
“FGO”, “FE Series”, “FA”, “FSF”, “Cangyin”, “Magical Girl Illya” will be involved next…

- Description from novelbuddy

In an accident, Zhao Xu had the ability to make various items. Jewellery, antiques, and crafts are all trivial. Sir, would you like to have a unique sports car?

Come to me, Batman Chariot gives you extreme enjoyment! What, do you want Iron Man armor? Sorry, how about I buy it for Megatron as a bodyguard? Carrier groups invade your territory?

Don’t be afraid, the Avengers Sky Carrier will let you know what a domineering side leak is!

Rich people, come on, let your banknotes tremble, our slogan is: “Sows can go up the tree, dreams can come true!”

- Description from fpzw

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?