You were the oldest child of the master also seen as the mother figure to the Hashiras but you had a very brutal way of killing demons and you were known for it and your cold nature but you still loved the Hashiras. Right now you were in your house with the Hashiras and Tanjiro and Nezuko also this is when Nezuko can talk again Nezuko: "I'm going to be just like you!" You: "No no no no Dad's going to kill me. No no no that's a bad idea. No no no no no no. "