Demon Slayer: Sign in from Kamado's House

Li Yu, an ordinary person who traveled through the world of demon slayers, signed in from Zamen's house and was rewarded: Star Breathing Technique From then on, a series of sign-in tasks started: Wusa Mountain, Tengxi Mountain, Qian*, and Spider Mountain. . . And what the system gave him were god-level rewards that shook the world of demon slayers! Star Breathing Technique, Ghoul Blade Soul, Passive Skill Tenacity... Kamado Tanjiro: "Why do I always meet Brother Li Yu? He is so strong and he still fights for ghosts with me." My wife Shanyi: "Brother Li Yu, I'm scared. Come and protect me quickly..." Inosuke Zuhira: "Hmph, Li Yu, don't run away. Let's compete again to see who is stronger." This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.