He is the god of death who is in charge of the life and death of all things, but he was blinded and lost his heart by a little fox of unknown origin... She is the saint of the fox tribe and one of the only two nine-tailed foxes left in the world. When she was dying, she fell into the hot spring of the cold and ruthless Lord of the Underworld, and even kissed the Lord of the Underworld... The gears of fate have quietly begun to turn, what kind of love and hatred should they experience...