Undercover Demon Sect, I'm Going to Be the Sect Leader Soon

"Holy Lord, why don't you close the net? I will soon become the master of the Demon Sect!" "Closing the net? You destroyed all my holy land, I will close the net!" ..... Fantasy + System + Undercover + Relaxed and Funny + Single/Multiple Female Protagonists (?) Once Ye Yun traveled through time, he became an undercover agent of the Demon Sect. In order to establish the character of a disciple of the Demon Sect, he acted arrogantly... 'Violently beat' the goddess of law enforcement who practices the ruthless way... 'Punishment' of the mysterious witch... Establish a gang and collect protection fees wantonly... ..... A few years later. Ye Yun stood on the top of the continent, with countless disciples at his feet. He held his forehead and smiled bitterly: "Why do I become the master of the Demon Sect while lying down?