I Became the Former Director of the Demon Slaying Department

Lin Zai, a man from the future, traveled back to ancient times to experience a new life under the arrangement of his boss. But what Lin Zai didn't expect was that this ancient time seemed different from the one in the book. Didn't you agree to travel back to ancient times? What the hell is modern technology? And friends, how can you fly? Fortunately, Lin Zai traveled through time at the beginning and became the former director of the Demon Slaying Department, the most powerful organization in the world. Question: What if you travel to a world with super powers? Lin Zai: It's very simple. I'm invincible.