Terrible News from the Alien World: This Human Is Way Too Twisted

I'm a succubus. I was planning to have a nice time in this city, catching a few two-legged beasts for food. Then some weird middle-aged guy started following me. I thought my prey had taken the bait. Turns out he was fishing for evidence and setting a trap for me. My name is Chen Xiangdong. I've been in this world for three years. Just after I awakened my powers, an old man tricked me into joining the Night Watch. I thought my life would be full of passion and adventure, roaming the world. Instead, I've been living in hiding, keeping my identity secret and lurking in the shadows. But when I look at the warm lights in the homes of Longguo's people, I find I don't mind this life after all. So I'll be their guardian deity. Foreign races that set foot in Longguo: die! Awakened ones who disrupt the order: die!! Any enemy who dares invade: die!!!