I Have Become a Demon, and the Merit System Is Here?

When he woke up, Gu Ren found that he had actually traveled through time and became a handyman disciple of the Demon Sect. It took him five hundred years to finally become the greatest evil in the demonic path. The result - the system: detected that the host has traveled through time and become a disciple of the demon sect. Please do one good deed every day and be a good person. Gu Ren looked at the righteous leader who had just been beaten to death at his feet and fell into deep thought.