In a "reading world" that transcends dimensions, the Phantomhive family, their relatives, friends, enemies, and even the deceased were forced to gather in an eternal night library suspended in the void to read a forbidden book called "Black Butler."
As the pages of the book are turned, a truth that has been buried for hundreds of years gradually emerges——
"Shire" is not really a Shire.
The real Ciel Phantomhive is the younger brother who was hidden in the shadows and was picked up by Sebastian himself, but was never looked at by the public.
But the truth is much darker than that.
True Ciel Phantomhive is not a human being.
He is the prince of the seventh level of hell, the fiancé of Sebastian Michaelis, and the real leader of this contract that spans a hundred years.
And Sebastian never recognized the wrong owner.
What he has been waiting for has never been "Ciel", but him - his prince, his lover, his eternal master.
