MTL - The Bumpy Road of Marriage: The Ex-Wife Is Expecting - ~ April days on earth (124)

After successfully reaching the Core Formation Stage and forming his Golden Core, Bai Langtian was betrayed by his own Master. His core was ripped from his body, and he was thrown off a mountain cliff into a valley full of demonic beasts.Thankfully, he survived the fall, and met his senior sister, Shangguan Yue Ling.She too had been betrayed by the same Master and pushed into this valley ten years ago. Ever since, she had been surviving alone by eating the corrupted flesh of demonic beasts.Now, Yue Ling revealed to Langtian a new path of cultivation:Demonic Cultivation.To reclaim his strength and take revenge, he must consume the flesh and essence of ten thousand demonic beasts.

When Ye Mo suddenly woke up, he realized that everything around him seemed to have changed: He has been transmigrated into the modern Earth where spiritual energy is scarce. His pretty master from his former world was nowhere to be seen. Most importantly, he found himself in the body of a young man who has been abandoned by his clan for an embarrassing reason…

- Description from Novelupdates

After being reincarnated as the youngest son of Emperor Wu of Zhou, Zhao Yao was not favored much. In order to survive the bloody power struggle for the throne, he had to bide his time. Finally, he grew up and was granted a title of nobility, only to be exiled to the distant region of Lingnan by his dear father.It was said that Lingnan was incredibly poor, but Zhao Yao was not afraid. He focused on infrastructure and production. Under Zhao Yao's management, Lingnan transformed from a place of exile into a prosperous land.Just when Zhao Yao was happily living his carefree life in Lingnan, the ministers traveled a thousand miles to beg him to ascend the throne.Zhao Yao was baffled. Had these ministers lost their minds?

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?