"Wh-What nation is this?"
"It's Han. Do you have no idea where you are?"

Ordinary college student Dongbaek falls into the age of the Romance of the Three Kingdoms as a younger version of herself...!

" ...Although I am a girl, I do not wish to live as one."

Dongbaek resolves to dress like a man in a world where it's difficult to survive as a woman and gets adopted as a son by the powerful Zhang Yang. She starts to gather those who are talented in the Romance of the Three Kingdoms and gains the Emperor's favor...

"I am So Dongbaek. I have received your orders and shall return, having brought peace to this turbulence."

And thus begins her project to survive in the Romance of the Three Kingdoms.