I Found A Planet - Chapter 433 - Trade Exchanges

Finding himself in an Last Airbender without an airbender around, a transmigrator waterbender goes on an adventure to stop the worst from happening to him.

The Empress who dies in torture, An Rushuang is her name. After she wakes up, she finds herself has time-travelled to when she was twelve years old, but she would turn into Major General’s white horse at night. He is a general who orders about the winds and clouds on the battlefield, and she is a little girl lives in her boudoir seclusively.
She endeavors to change her fate, and he spared no effort to win every battle. They meet each other every day, well, it’s night to be accurate. Is that a dream or not? She pleads to marry the seignior to win peace for her family, only to find he is the one she is going to marry.
“Growing old with you under the same roof is my long-cherished wish”, thought them both.

- Description from Novelupdates

The maniac who was crazy about all kinds of fields such as military and steampunk had been reincarnated.

However, his father was King Sejong the Great?

The mania-wise king and his crazy maniac son.

Along with the ministers, and countless humans who were getting exploited.

Even today, the night of Joseon was filled with the light of overtime.

Duke Jiu Qiansui, Du Gu Wu, was forced to marry the rejected woman Feng Bailin due to illness, causing an uproar in the court.The princes came to “congratulate”: Although Feng Bailin is ugly, incompetent, and from a declining family, she does not fear his reputation of being a wife-killer and impotent, and even conveniently lets him be a cheap father. Worthy of congratulations.Du Gu Wu, thinking of the talentless, unattractive, and unvirtuous woman, coldly said: After one year, I will divorce.One year later, Du Gu Wu booked the largest restaurant in the world, invited friends to prepare for the divorce.Unexpectedly, the restaurant owner directly offered three days for free, saying it was to celebrate the divorce. When the first beauty who was mingling with heroes from all roads burped, she said: “You think I'm after his body, I just crave his imperial fortune.”After Duke Jiu Qiansui was divorced,In the first month, a plague swept the whole city, and the medical deity appeared, it was actually Feng Bailin.In the second month, famine was everywhere in the country, the richest man provided disaster relief, once again it was Feng Bailin.In the third month, an alliance of nine dynasties besieged the city, and ten thousand beasts defended it, it was still Feng Bailin.In a certain month, Duke Jiu Qiansui traveled across the nine provinces and eight wildernesses to pursue his wife: Ancestor, please let me marry in.The two cute children said in unison: Father King, you have to wait in line!