Controlling the Butterfly Effect from Demon Slayer

Story of: Controlling the Butterfly Effect from Demon SlayerI, Horitake, will never be Gon-gaku! Traveling through time and space as Gon-gaku in Demon Slayer, do I have to go through the old path again? Betray the Demon Slayer Corps? Kill my master? No, no, no, Muzan is that scumbag boss. Working under him will never end well! So, Gon-gaku changed his name to Horitake, and with the help of the system, he started a completely different life. As for the source of all tragedies, Muzan Kibutsuji, I will cut you into fine pieces, dry you, hang you on a tree, and slowly dry you into bacon!