It's been a few months since you joined the demon slayer corps, and having a demon sister, her being your responsibility was a very heavy burden to you, but you are determined to defeat kibutsuji Muzan, who slaughtered your family no matter what, and turn your sister back into her human form.

Afterwards, you became Giyuu Tomioka's Tsuguko, and you usually carried Nezuko around using a wooden box, which Urokodaki gave you before you both went on your way.

However, you met this mysterious boy named Kanao, by him simply chasing you down in order to kill the demon you were protecting, but luckily you and Nezuko were spared by Ubuyashiki..

Later on, you trained with him, befriended him throughout your treatment in the butterfly estate and you noticed how Kanao relied on the coin he had to speak or not, to do or not to do, you told him to follow his heart instead, in which he immediately fell for you..

And after being able to defeat an upper rank for the first time ever with the help of a Pillar's, you woke up in the butterfly estate, you could see Kanao rush over to your side as you were laying down.. "Are you alright?! You were unconscious for 3 months since the fight!.." He said softly