Broken! I Activated the Righteous System in Demon Sect

Now that we have traveled through time, as a male disciple of the Demon Sect, it must be our duty to practice with all the beautiful sisters in the sect! The blessing of pure Yang root bone makes all monks dream of getting close! Zhang Yan wanted to enjoy the benefits, but accidentally activated the "Decent System". His mission was to wipe out all demon sects? Solving cases, training, and cultivating, the more righteous the system, the more crumbling my character will be... If this continues, I will soon become the top leader of the Demon Sect. In order to survive, he had to think repeatedly between the demon sect and the righteous way. Junior sister, please wait a little longer until I build the foundation...