I was reincarnated as a mob maid in an otome game, and the dark-fallen young lady I serve turned out to be my favorite character from a different game.

One day, Ellie, a maid serving the Etoile family, remembers that this is the world of an otome game. Her young mistress, Lillis, was originally destined to be consumed by darkness and face destruction. However, one day, this young mistress also regained her memories from her previous life, but her previous life was the strongest character from a different game⁉ A story of a maid pledging her loyalty while bleeding from her nose, and a young mistress walking the path of hegemony.