The Undercover Agent of the Demon Gate Repeatedly Jumped Horizontally!

[Evil Cultivator + Double Undercover + Human Succubus + Infernal Affairs + New Fantasy] Reborn in fantasy, Ling Xiao became an undercover Demon Sect trainee in the human race! The boss, the demon witch, has a mission to subvert the human race! Wife, the female murderer of the human race, takes pride in killing demon cultivators! At the beginning, the list of undercover agents of the Demon Sect was leaked, and the human race was tracking down the undercover Demon Sect. As expected, my wife was going to honor me! Good news, the system is awakening. Bad news, there are two systems! A system that allows me to become a god? A system that helps me become a demon? Ling Xiao: "Okay, okay! This is how you play, right?" Without further ado, let's get started! ......... A few years later, in the White Jade Capital in the sky, a tall figure slowly walked out from the end of the ages, overlooking the gods and demons in the sky. Standing in front of you now is: The greatest son-in-law of the human race, the last glory of the human race, the youngest demon-suppressing admiral of the human race, the dragon slayer, the regicide, the most powerful person in the human race, the cheap husband of the female slayer of the human race, the dream lover of the imperial valkyrie... There is no need to pray to the gods, because the gods praise his name, Demon King, Demon Lord, Demon Lord, Demon God-----Ling Xiao!