Forced to Join the Demon Slayer Bureau? I Am Invincible by Killing Demons!

In this world, there are monsters, ghosts, and strangers who can control ghosts. … Qian An's parents died tragically after traveling through time. At the beginning, he encountered a river demon who wanted to be sealed, and the sky collapsed at the beginning. A crow suddenly appeared and changed his fate. His eyes also seemed to have undergone some changes. He seems to be able to see through everything, and seems to be able to predict danger, but he is reminded of it all the time [Eating Demon] The first time I eat monsters, I get [strength to pull out the mountains], and my energy covers the mountains and rivers, making me invincible. The second time you eat the demon, you will get [Enduring Life], and your energy and blood will be like a spring, and you will live endlessly. The third time you eat the demon, you will get [Solid as a Rock], with skin and flesh as iron, indestructible. … At first, he just wanted to use his special ability to protect himself wisely and survive in this world of jungle. But once the gears of fate turn, he cannot retreat - in troubled times, only by going upstream can he control his own life and death.