ok female Tomioka ( I know I have a problem with making all the main characters female but just let me be ) so giyuu is basically a parent to the Kamado squad ( tanjiro, nezuko, zenitsu, inosuke)(sometimes genya, muichiro) and they see her as there mom in a way, so this is basically just a bunch of stories of them there way be some ships involved I'm not sure yet but if they are there will be sanegiyuu rengiyuu sanemi x rengoku x giyuu sanemi x rengoku x obani x giyuu don't judge me ok