Immortal Life Begins with the Reincarnation of a Demon Chicken

Actor Ji Yao was playing the role of a dead body, but unfortunately he was hit by a heavy object on the wire and traveled through time! Good news: There is a system! Bad news: Tony got a chicken... (Yes, a literal chicken) ... In this world, demons are rampant and ghosts appear frequently. Ji Yao wanted to be a quiet handsome guy, but was forced to lurk in the human race as an undercover agent. Although he is a demon chicken, his heart is devoted to the human race. However, his identity cannot be exposed, so he can only survive through cracks. ... Fortunately, with his system, Ji Yao can deprive the slain monster of its survival time! He poured more time into it, deduced the techniques infinitely, and improved his own cultivation level! After all the tribulations, mountains of corpses and seas of blood, when Ji Yao looked back, he had stood at the top of this world and finally became a demon saint! ... This book is also known as "Being an undercover agent in the troubled times of monsters: I will add some points to become a saint", "Reincarnated as a demon chicken and working as an undercover agent: Dare I ask how old my friend is?" ", "Infernal Affairs: About My Reincarnation as a Chicken"