Kirigaya Kazuto - the 7th child to be brought back to life by the Soul Translator, was a peculiar case having swallowed the fluctlights of two of the most dangerous men of the Underworld - Eugeo the Unbreakable, and the Dark Emperor Kirito. How will the lives of the two men influence his, when he is forced to enter a world which is far more dangerous than what he could fathom?