You were A new Slayer and they hate you but you don't know the reason of it though.

You guys were fighting A demon And you did the most and were really injuried you were bleeding and in pain you Fell to the ground.

Tanjiro: Hey stand up!! Your not helping!!

Zenitsu: Your such a Useless Slayer! Why are you even here!?

Inosuke: Such a weakling nobody needs you here!!

Neuzuko: Hmphm!!

They just letted you bleeding...