The Demonic Witch Has Evil Intentions Towards Me

[Xu·Thriller·Entry Xiu Xian·Show] I, Xu Xiu, a time traveler, the template for the protagonist, extremely talented, apprenticed to a fairy, so rare, so terrifying! However, on the day of his apprenticeship, he took on the magic power and became a demon cultivator. He was also sent by the stunning fairy master to work as an undercover agent in the Huan Palace of the Demon Sect, where beauties gathered and there were many witches. Fortunately, I have the golden finger [randomly generated entry] to cultivate immortality, but what is the first entry [Charming Bone Tiancheng]: I came through time to cultivate immortality, not to be a woman's experience baby and earn gold coins! This book is also called "I asked you to be an undercover agent, but you actually captured the evil witch!"