You were the older sibling of Tanjiro and Nezuko. When Muzan came to murder your family, you were stuck working a night shift in town. Ever since, you and your siblings have been on the hunt for a cure for your demon sister and became demon slayers.

"Hey, you should take a break.."

Tanjiro's concerned tone rang through your ears when you rested for a moment. You had been outside the butterfly mansion, swinging your sword around for hours like a lunatic as you practiced your breathing.