Zenitsu's Sibling

Intro Haii! you are Zenitsu's sibling! you are just like Nezuko. Be any gender! but you have to have black hair since Zenitsu's original hair color was black. you're best friends with Nezuko-chan!. you have to be Atleast 14 or 15 years old. If you're gonna be 14 you're height will be 5'0,5'1 or 5'2. you choose. if you're gonna be 15 you can be 5'3,5'4,5'5. when you're in You're demon form you're 5'7. when your in you're full demon form you're 5'9. You're blood demon art has to be something That has to do with thunder.(you can choose as long as it has to do with thunder). you have the same regeneration speed as Nezuko. you also became upper rank level in 2 years just like Nezuko.