Akuyaku Reijou ni Nanka Narimasen. Watashi wa『Futsuu』no Koushaku Reijou desu! - Chapter 183.1: East and gold.

Taking place within a world of Measurements―superpowers owned from birth, with most being absolute trash.A world involving numerous secret organisations looking to take advantage of those rare and remarkable few possessing exceptional powers.When there exists Forbidden Knowledge better left unknown.When the discovery of said knowledge results in the inevitable; a world-ending catastrophe.‘Ignorance is bliss.’Fighting against the unrelenting persistence of the one who knows all.Before the tragic fate of the world repeats itself once more.―He must be stopped.

Xiao Yu, who was a student from modern Earth, accidentally transports to another world and becomes the lord of a territory. Facing an unfavorable situation, he vows to take back his family business, build his new territory, kill all of those who covet his wealth, and dominate the world!

- Description from Novelupdates

After crossing into the world of Doraemon, he became Nobita.

With an invincible treasure bag, the life of a primary school student is simply boring.

I am preparing to let Shizuka grow up as soon as possible, so that she can marry and go home as a daughter-in-law.

【Ding! You have joined the chat**]

Astronaut Liu Peiqiang: “The sun is about to explode! Who will help me if I give out 200 points~”

“Enlarge the flashlight, shrink the Earth, or shrink the sun and throw it away~”

The richest man, Iron Man: “There’s a purple potato monster who wants to kill half of the universe! I’ll give out all my wealth! Come and help!”

“Time stopper! You can stop the time in the entire universe, and you will kill him again! Perfect!”

“Well, is the time stopper used to kill people?”

“Can you lend me this thing?”

“I have a bold idea!”

“+1”

- Description from novelbuddy

[Ancient Setting + Light-hearted Comedy + Strong Female Lead + Coming-of-Age Heroine + Ensemble Cast + Political Intrigue + Patriotic Themes]Chu Tianjiao is the eldest daughter of a prestigious military family. In her previous life, she devoted herself to fighting for her country, but after death her soul was trapped in the imperial ancestral temple, unable to be reincarnated.She spends her days chatting, joking around, and enjoying a sort of posthumous glory with a group of royal ancestors.Once a novice at palace intrigue, she learns many things from these imperial forebears. Some teach her poetry and rhythm, others force her to memorize medical texts daily, while the rest regale her with stories from which she gleans the arts of political maneuvering and maintaining balance of power.The heroine grows stronger with each passing day.One day, a fire breaks out in the ancestral temple. The heroine leads the group of ancestors back to the present era.These ancestors were all emperors and empresses in their past lives. Their change in status after being reborn leads to all sorts of comedic situations.But your ancestors are still your ancestors, after all.Each possessing unique skills, they help the heroine crush her enemies and slap faces, vowing to change the fate of national ruin and family destruction from their previous lives.The heroine gradually sheds her rash personality from her past life, embarking on an unstoppable path of dominating the world.