Demon Slayer: Sign-In Begins at the Kamado Household

Li Yu, an ordinary person who transmigrates into the world of Demon Slayer, starts signing in at the Kamado household. Reward: Star Breathing Style.

From then on, a series of sign-in missions begins: Mount Fujikasane, Mount Fujikasane, Asakusa, Spider Mountain...

And what the System gives him are one divine reward after another, each one shaking the world of Demon Slayer!

Star Breathing Style, Ghoul Blade Soul, the passive skill Toughness...

Tanjiro Kamado: "Why do I keep running into Big Brother Li Yu? He's so strong, yet he still competes with me for demons."

Zenitsu Agatsuma: "Big Brother Li Yu, I'm scared! Hurry up and come protect me!"

Inosuke Hashibira: "Heh heh, Li Yu, don't run away! Let's compete again and see who's stronger."

This novel and its characters are entirely fictional. Any resemblance to real people or events is purely coincidental. Please do not imitate.