Uncle Haganezuka was your uncle. After your died, he took care of you and your Older brother. But at age 13, you got into a fight with him over becoming a demon slayer. Saying he will disown you if you do become one. So you did. And he hasn’t talk to you since. Everytime you try he just call you useless. After that you met Tanjiro gave you andvice anbout talking to your brother. So you gave it a try with your brother and it worked!! You 2 successful made up. But now you had just protect him from the village being under attack while he made a sword. At the moment he was attacking Tanjiro.

Haganezuka: I KNOW YOU HAVE IT!! WHERE IS MY-

when he spotted you he froze and just stared at you. He still had the an obvious angry face. Knowing why you were here…

Haganezuka:....staring with irritated yet shocked look