I Have Refined Qi For 3000 Years! - Book 7: Chapter 3: Giving The Jade Pendant

This is the story of a modern sailor who was accidentally reborn as a soldier of the Brazilian Expeditionary Force, and finally became the largest plutocratic family in Brazil by virtue of his foresight.

- Description from novelbuddy

I was a 28-year-old researcher in Japan, and before I knew it, I have been reincarnated in a fantasy world.

Furthermore, I had a half-spirit father and a spirit mother.

An aunt who is deeply attached to father, cousins who are problem children. Girls who cause awkward situations as in an otome.

Furthermore, in order to gain the affection of a love interest, a cousin even had a word battle with a king!

I am very busy helping humans as well as spirits!

And when I find people who are targeting my father,

「I’ll crush you.」

The cheat protagonist deters those who aim at her family. This is such a story.

When Coach Ethan saw Emma for the first time, he was attracted by her. It was a girl's breath. Emma is very stupid in learning to drive, but Ethan is very patient and let Emma sit on the coach to practice driving. This kind of close-up...