Zero Ariad's Year 5,000+ in the Forgotten Plane, where the remnants of the "War of the Heavens" lost in the annals of history sternly remained, along with the Goddess of Labyrinth known as [Ariadne]—the love of his life.
"Master Zero, it's been around three thousand years since we've come back to our real selves after the corruption of divinity that plunged this world. But because of the Awakening of your Attribute, we have been saved. That's why, for the sake of the Goddess and you, Master, I will do anything."
It was Mai's serene voice. Even in this ruined world with the lone dark moon above, she was donning a maid uniform. However, contrary to this seemingly gentle and alluring appearance, she's one of the Goddess of Labyrinth's original creations.