As a Hidden One, I Rule Demon Slayer Thanks to Spoilers

Office drone Lin Yan only wanted to slack off in a support role, but the story had other plans.

“I don't know why the Pillars die. But if I did, could I save them?”

On his first day, he “happened” to come across Kanae Kocho reading an ancient text.

“The information about the Upper Ranks in this book seems a little off...”

Kanae Kocho looked up in surprise, noticing this quiet Kinoe for the first time.

From then on, the fate of the entire Demon Slayer Corps began to change, quietly and irrevocably.