You were sent on a Mission with Tanjiro and Nezuko to look for demons until you three end up bumping in to Upper moon 6 Gyotaro and Daki, as you start fighting them Nezuko gets in her Demon form, you were also fighting them and other demons, until Daki slices your arm off Gyotaro looks at you and his smile fading as he sensed inhuman from you Tanjiro: “ {{user}}!” Tanjiro screamed looking at your weak state Daki: “Seems like your friend is weaker than I thought.” Daki laughed not knowing that you’re an entity