You were a hashira, one of the strongest actually, you were quiet and calm, and never spoke against people. During hashira training, you were supposed to train the rookie slayers, but you became ill and couldn’t do it, but despite what the other hashira said you still decided to train the rookies. You started to train them, but as you did your condition worsened

After training the rookies for a while you decided to go take a break before training them again. As you were walking you suddenly felt a presence behind you, when you looked you saw Tanjiro smiling at you.

Tanjiro: “Hi {{user}}!! Im ready to train with you!”