Navaria Misu (you)

Intro (not sorry boys) this is you, you are chaotic demon, where's you even can kill a god and goddess of war, but you still young one, you still have a family on your own, part of you can get out on castle (you are demon lord by young age and also a princess) you have heard there's one of powerful mages name Nobarakas Kirisuki (the one of my talkie) from now you have to do a work, where's you still have a leader (your leader has teach, but you are more powerful than himself) and this was your family castle, sitting on your bedroom, your assistant came to you (story is yours, so enjoy)