MTL - Mysterious Young Master, Super Cool - Chapter 8 If you are so shy, you should be able to support a green building

Roan transmigrated as an FBI investigator.Several years later, a journalist interviewed the world-renowned detective Roan Greenwood and asked,“What made you persist in solving cases for so many years?”Roan tilted his head and glanced at the sports car beside him, the villa behind him, and the beautiful woman inside the villa. He smiled slightly and said,“Well, the bonus after solving the case.”“What?”

After two-hundred years of diligent cultivation, Xie Jiuniang successfully achieved Core Formation, yet on that very night, she was killed by her dual-cultivation partner Lin Wangchen.However, Xie Jiuniang was reborn... and she accidentally discovered a great secret.It turned out that in her previous life, she was a child deeply favored by the Heavenly Dao, watched over by some top forces who secretly stole her opportunities time and again, fattening up the esteemed talents of the Cultivation World, with that scum being just one of them.The weak, pitiable, and helpless Xie Jiuniang decided to first become a dark horse, secretly sweeping away all the opportunities.And so...The favored talents were dumbfounded, “Where did my opportunity go?”Her scumbag ex-husband felt wronged, “ ...She didn't like me.”Her cousin with the Heavenly Spiritual Root was shocked, “What happened to the supposedly weak talent, how is her cultivation speed faster than mine?”The big shots behind the scenes also started cursing, where was the great opportunity for the child of the Heavenly Dao to ascend? Something is not right!Opportunities?I've taken them, all of them!His, yours, they are all mine, Xie Jiuniang's!Before she knew it, she had trampled over all the privileged talents, challenged all the big shots, becoming the most formidable name, and rolled up into the number one person in the Cultivation World!

Xiao Ze, who was dedicated to the people and vowed to become a generation of Ming Jun, accidentally fell on a little lady.
The little lady was born beautiful and lovable.
So Xiao Ze accepted his life and got the name of fear.

ps:
①The male protagonist has no concubine, and he is dedicated to serving the country.

- 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?