Da Tang Shuang Long Zhuan - Book 2 - Chapter 4 – Great Scheme of Acquiring Wealth

We do not belong to the light nor do we belong to the darkness, we walk the line in between.

There will be no people singing our praises or bards retelling our heroism but we will have pride in our work.

– Law of the Demon Hunter, Prologue

- Description from Novelupdates

An 18-year-old girl who lost her family in an accident, Yamano Mitsuha falls off a cliff one day and transferred to a different world with a civilization level of medieval Europe. Mitsuha who discovered it was possible to go and return to Earth after a deadly fight with wolves decided to live in both worlds.

「For the sake of security in old age, I will aim for 80,000 gold coins!」

I will try not to let strange things circulate and distort the progress of the world, but I won’t hold back for the sake of my easy life and safety! While carrying three handguns along with words and deeds that appear decent, in her head, Yamano Mitsuha is a sly girl.

Making an effort to make money even with a small body that looks like a child to foreigners!

Oh, my secrets are too dangerous, you said? It’s fine, it’s fine! I’ll transfer away when push comes to shove!

The richest man, the Su family, suddenly has a three-year-old baby! Everyone thought that this little baby girl was the illegitimate daughter of Su Laoqi, a playboy in the entertainment industry. Who knew that the seven brothers of the Su family knelt down in a row and called her aunt!

All the people in Beicheng laughed to death: What does your aunt do except drink milk? It’s better that my aunt would embroider for me.

Su Laoqi: What is embroidery? My aunt can catch ghosts, monsters and zombies. She is top-notch in the world. Can your aunt do it?

Su Laoliu: My aunt can fly a sword and chase a plane. Can your aunt do it?

Su Laowu: My aunt knows how to use Guimen Thirteen Needles to treat diseases. Can your aunt do it?

Su Laosi: My aunt can figure skate five times. Can your aunt do it?

Su Laosan: My aunt can kill five at will in the game, can your aunt do it?

Su Laoer: My aunt has won awards for Chinese painting, oil painting and ink painting. Can your aunt do it?

Boss Su: My aunt can help my company make one billion a day, can your aunt do the same?

Later, when the Su family’s sister-in-law grew up, she quietly fell in love with her childhood sweetheart. The seven sons of the Su family roared in unison: Stay away from my aunt!

- Description from novelbuddy

The protagonist is an accidental time traveler - he didn't wait, didn't guess, only dreamed, but ended up in history, which he didn't pay much attention to. He was just lucky with his lineage.Ryo is a new member of the Nara clan, from the Uzumaki lineage on his father's side, and it so happened that he was born not at the beginning of the known plot, but more than three decades and two world wars later. Now he has to figure out how to get out of this situation however he can.