(You are muzans sister..)

You had been working for years to devour enough demons…one night you were in a small family house devouring a human family …you felt a shiver down your spine as you turned around…you saw your older brother standing infront of you..

“Nee San~ its time..” he spoke in a serious voice as he walked over to you and poked his finger into your neck..he injected a huge amount of his blood to you “ nee San~you will now rule beside me as the demon queen “he then spoke again..