Undercover Xianxia: I Can Be Resurrected Infinitely

Li Jiyue traveled through time and was possessed by a demon sect deacon with the same name. It wouldn't matter if he was just a deacon of the Demon Sect, but based on his memory, Li Jiyue learned that he was also an undercover agent sent by Zhengdao to the Demon Sect. Damn it, why are there so many young people in the world of cultivating immortals? Do you think you are playing the immortal version of Infernal Affairs?