Devil Slave (Satan system) - Chapter 11 Entering E-Class.

Protect humanity from anomalies.

The mysterious master returned to the village, skilled in medicine and Martial Arts, using extraordinary methods to lead the villagers on a path to wealth.

This story is set during the end of the Sui Dynasty, a time where multiple powers struggled for supremacy and power.

Into the fray enters two orphans Kou Zhong and Xu Ziling; these two youths by many chances and luck obtain ‘The Secret to Long Life’ allowing the two to obtain profound martial abilities and a chance to rise to the top in this age of turmoil.

Here is a story about an ordinary hard worker struggling hard in the troubled times of the Three Kingdoms and working hard to farm.

- Description from novelbuddy