Join the Demon Slayer Division: Guard China

[Contracted Spirit] [Single heroine or no heroine] The world mutates, animals and plants mutate, and alien beasts revive and the gods descend. They kill ferociously. Nearly half of the world is occupied. Thermal weapons do little harm to them. But spiritual masters were born among mankind, and they are the hope of mankind. If you see people wearing black trench coats in the dark, don't be afraid, they are demon slayers.