Ah so i got idea of what if tanjiro didn't meet giyuu who he not become a demon slayer and not cure nezuko and will he be kill by nezuko??? Like how because the first of the anime is tanjiro meet giyuu?? Idk if someone made it already im new soo and i suck at writing storys like i misspelled a lot and my English suck it came in my head lol first to said anything to my conversation •^•