I Open an Office in a Fantasy City

This is a world where humans and demons coexist The demons are raging, and humans rely on the siege to protect themselves, forming a federal country called Sin City. In order to resist the invading demons, humans developed powerful weapons and awakened the spirit of fighting to enter the era of demon control for all. Those who awaken the spirit of fighting are called fighters. They are given the mission to save mankind! As a virus host with demon blood flowing in his body, Yechen worked hard to run a business in a certain alley. On the surface, he looks like an ordinary person who has not awakened the soul of martial arts, but in fact he is a demon hunter. Lord of the Demon Realm: "Young men, you must remember that when you invade the human world, you must not provoke a person named Yechen!" Human Emperor Dou Zun: "Hurry up, go and ask Yechen Yumo, he is the last hope for us humans!" Ye Chen: "Please, I just want to be a quiet worker!" But Yechen didn't know that there was a pair of invisible black hands pushing him into the quagmire at the center of the world at this moment... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.