Blackstone Code - Chapter 175:

(Female disguised as a man) Accidentally transmigrating into Long Aotian’s male novels is not scary, what is scary is transmigrating into a villainous little boss who will be tortured and killed by the male lead! ! Jiang Ru decided to cling to the male lead and change his fate. However, the hero is too sick and delicate, what should she do if she still feels that she can’t survive? ! Of course, thirty-six strategies are the best way to escape! Jiang Rudong hid in Tibet, fearing that the male protagonist would take him back and execute him Ling Chi, but on the way he heard that this sick and delicate king had a white moonlight who loved him to death… Hey, wait! Why is this Bai Yueguang… the same name as her? ! ! ! One day later, Jiang Ru realized that those who came out to mess around… always had to pay off their debts with their own bodies.

- Description from novelbuddy

When I woke up after being transported to another world, I am suddenly the antagonist? This script is wrong! I stole the other guy’s girl! I also have a super strong big sister! This script is even more wrong! There’s even an Overgod Space, along with the infinite worlds? I must be dreaming! Wu Ming calmly maintains his neutral expression and journeys ever onwards.

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?

- Description from novelbuddy