MTL - Black Dragon Kingdom - Chapter 1 Dragon life is not easy, bad environment

Su Mo, a late bloomer, was introverted and bad at socializing with strangers.He thought his life would stay pretty ordinary, but everything changed when he started playing the popular game Star Ring. He unexpectedly rediscovered the joys of life and set off on a journey to claim the throne.

As the executor of the Heavenly Dao, Li Suisui descended to the mortal world for a trial. Born under a celestial omen, her birthday was co-opted by her cousin, which left two girls in the Li Family with the same birthday but disparate fortunes.Everyone said Li Suisui was a harbinger of misfortune, a reincarnated curse spirit, who was fated to bring disaster to her family. They wanted to get rid of her as quickly as possible.On the other hand, Li Yanyan was a lucky star, a blessed bag, everyone wanted to latch onto her coattails, trying to rub off as much luck as they could from her.Later on, when hardship befell the Li Family, the elderly matriarch planned to bury Li Suisui alive to change their luck. But Suisui's powerful uncles came from all corners of the world to rescue her.A grandmaster illusionist, an incomparable physician, the world's top God Hunter...it seemed the Li Family had really kicked at an iron plate!Overnight, Li Suisui became the most adored and cherished member of the family.Sneering outsiders said, “Treating a harbinger of disaster as treasure, when she eventually causes all of your deaths, that's when you'll regret it!”Yet as time passed, not only did no harm befall her uncles' families, but they all began to thrive enormously.Her lame uncle regained his mobility, his barren aunt bore twins, the once discordant couple reconciled, the other uncle became the Number One Scholar... It was even rumored that a long-deceased grandfather had come back to life...

“I can’t do it anymore. Stop it…I can’t take it anymore!” The second young master stopped in his tracks and raised his brows as he stared at Miss Jiang. “All you had to do was jog, so—”

Everyone knew that Miss Jiang was an artiste who had been defamed and blacklisted before she became famous again. When she got into trouble, she did not give up but fought persistently. Everyone knew that the second young master was the mysterious head of the enterprise. He was an extremely cold person with an exquisite taste. Moreover, the second young master had recently adopted a new hobby. He took in his younger brother’s ex-fiancée and he was extremely fond of her…

- Description from Novelupdates

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?