Rotten fruit returns to the branch, and gold drips down like water, A land where events beyond reason occur, a land known as “Meichi” (The Underworld) that easily claims the lives of those who dare to enter. The scholar "Ren" arrives in this godforsaken land to save his sick younger brother. Together with the guide "Tobia", "Ren" embarks on a perilous journey to obtain the “panacea,” an ancient relic of “Meichi.”