meliodas male reader x demon ruby rose

Ruby and y/n are older than ozpin and they have been known throughout history but have been good at hiding themselves they have killed the 2 brothers of light and dark and they have 2 kids named qrow and Raven but raven and qrow forgot their mother is ruby and think that she is their niece and they think that their father is dead but they are immortal ozpin knows of ruby and y/n but is glad to keep their secret cause they have looked out for ozpin since he was a baby and talk when know one is around and when a certain 10 people come back how will ruby deal with it considering y/n is missing will she tell qrow and raven or will they find out the only people who know of this are ozpin ruby and y/n (qrow and Raven will also have the abilities of the demon mark and ruby and y/n are stronger than the demon king summer is alive btw) another war is coming how will ruby and oz tell the others but their priority is to find y/n (RUBY and y/n also have absorbed the brothers power also ruby and y/n have killed the demon king and took his power) also supreme deity does not exist neither do the angels