A story about a girl by the name of "Y/N Kamado" has turned into a demon along with her big sister nezuko, but something is much more different about something very powerful to the powers her big sister has, now tanjiro, nezuko, and Y/N are on a journey to get revenge on the one who killed there family and for Tanjiro to find a cure to help his little sisters. p.s. sorry this description is crap ¯\_(ツ)_/¯