Danganronpa V3 killing Harmony

more about our oc backstory

Hi my name is angyl and I have two sisters , a brother,my cousin and his demon butler. My sisters are junko and mukuro which by now you would think that I'm part of the despair sisters not after what junko did I was never going to be her sister again. My brother Ori was in an accident that kill him but I brought him back I made him a robot like monokuma but he's not a murderous bear.  Me and Ori enrolled in Hope's peak academy when we were 13. My cousin Ciel has a demon butler ,Sebastian but he's mine and Ori's tutor since me and him are angel of darkness but we use our powers for good. Now to the story.