After Traveling Through Time, I Encountered an Unfair System

Yun'an woke up in a mine after being hungover from the college entrance examination After time travel, he became a mining slave After a long time, the golden finger is a little abnormal, why do you still assign tasks? What's up with the one hundred thanks for the upgrade reward? It turns out that the cultivation system of this world is broken. No problem, let me reshape the system for this cultivation world ... Many years later, people are still grateful every time they mention the Improper Emperor. Thanks to the Improper Emperor, those of us who farm can live long lives and have no worries about food and clothing.