A person from Earth who knows the entire plot of Ten Days Until the End is reborn as a lowly “ratfolk” in the Land of the End. In a slaughterhouse of ten-year cycles and battles of wits involving ten thousand people, he must use his foresight and exploit loopholes in the rules, climbing step by step from the Zodiac to the Divine Beasts, until he finally overturns the eternal prison carefully designed by the Heavenly Dragon. This derivative work inherits some of the setting from Ten Days Until the End, but also includes original worldbuilding by the author.
