Name: Finest Servant
Author: Chugong, Jang Sung-Lak, 추공
Alternate Names: Cực Phẩm Gia Đinh, Legend of Ace, Top-Grade Retainer, 极品家丁
A man was transported to Ancient China and eventually became a servant of a declining household without a male heir. He utilized his wits and modern knowledge to help the household and eventually become trapped in the sea of political turmoils of the period.