Elf Kingdom: Game of the World Tree - Chapter 12 - Goddess! I want to join the religion! (Seeking recommendation tickets)

Zhao Chuchu was reborn in a time before the apocalypse. As soon as the space was filled with supplies, something fell from a high altitude and killed her. Then, she transmigrated, becoming a small villager in an unknown dynasty. She started this new life by taking out the natives, dealing with the plague, and becoming a divine doctor in one fell swoop. Using her fists, she gained high status. She bullied those scums until they cried for their mommy and begged for mercy. She produced large quantities of rice, beans, and sweet potatoes… She could do everything, and she earned a lot of money with that. Everyone watched as she reconciled with Xiao Xiucai. They watched until a baby was born, as well as until Xiao Xiucai became the top scholar and smoothly became the Chief Minister. Then, everyone waited for the day the Chief Minister would divorce his wife, who went through hardships in life with him. They waited and waited until the couple had grown old, the two living together for the rest of their lives.

This is a story that follows the courtship between a stone from Hell and a god from Heaven that begins in the underworld and spans for three lifetimes in the mortal realm.

When waking up, Jiang Tian found out that it was not too late.

In his previous life, Jiang Tian was a member of Jiang family in Jinling. He suffered a disgrace that was his fiancee broke off the pledge of marriage, so he had to marry into the Zhao family. Although Zhao Xueqing, his wife was the first beauty in Hangzhou, he always beat and scolded her. A few years later, he went through a family upheaval, and his loved ones died one after another. With despair, guilt and hatred, Jiang Tian jumped from a cliff. But he did not die. Instead, he started a cultivation journey for as long as ten thousand years in another space.

He became the supreme god, but he died in the process of opening up the universe. With the regret for his parents and the guilt for Zhao Xueqing, Jiang Tian, who retained several thousand years of memory, swore that he would never let his loved one suffer any grievances and injuries this time!

- 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?