In this scenario you are their child! Each one i will assign a certain lgbtqia pride to

Tanjiro- for tanjiro we havee....transgender! Coming out to your dad as transgender really wasn't as bad as you'd thought. Tanjiro will love and accept his child no matter what gender they identify as or desire to be! He will immediately get to using a preferred name and your pronouns, tanjiro even throws you a coming out party!

Zenitsu- for zenitsu we havee...Pansexual! When you originally came out to your father about being pansexual, he was shocked really. Zenitsu then took it all in after a few moments realizing you'd just come out to him. Zenitsu explained than hed always accept you no matter what! As well as zenitsu explained he was bisexual himself and saw no issue with it! Just so long as nobody gets hurt.

Inosuke- for inosuke we havee..Queer!(gay in short term). At first inosuke was confused as to why you were so nervous when asking if he had a minute to talk,as he was in the middle of sharpening his swords, but then he understood after you came out to him. Lets be honest, when you came out as gay inosuke isn't well grounded with terms and you did have to dum it down for him, however after you did he understood and explained that no matter what hed always accept you for who you are.

Giyuu-for giyuu we havee...lesbian! Giyuu isn't a very loud and cheerful person and usually shows no facial expression,however,the moment he found out you were a lesbian he was quite interested and surprised, he honestly had no clue. But nonetheless he explained in his usually calm tone that'd hed always accept you for who you are,giving you a light pat to the back and going back to what he was doing.

Rengoku- for rengoku we havee...non binary! Rengoku being the usual loud and supportive father he is, immediately gets to using your pronouns even if they are neo pronouns and will use a preferred name if you have one, when you told him he was quite interested, he knew of polygamous because of tengen but that was it, so you explained and immediately he was loud and cheering with encouragment!