At the boundary between the realms of yin and yang lies a mysterious and unfathomable road to the underworld. Those who set foot on it face an uncertain fate, as supernatural incidents plague the border between life and death.
After an accident, the protagonist is forced onto the road to the underworld. Along the way, he witnesses countless restless souls struggling and lamenting, and encounters all manner of eerie phenomena. Ghostly figures flicker in and out of the sinister fog, sending chills down his spine; mournful cries echo in his ears, though he cannot tell where they come from.
On this terrifying journey into the unknown, the protagonist gradually discovers that every strange incident on the road to the underworld conceals a secret or a grudge. Some are unfulfilled wishes from life, some are cursed souls, and others are schemes between the realms of yin and yang.
He walks the line between life and death, matching wits with evil ghosts as he tries to unravel the many mysteries and find a way back to the human world. Yet every new attempt plunges him into deeper danger, and his arrival threatens to throw the balance between the realms of yin and yang into chaos.
Can he uncover every secret, overcome his fear, escape the bonds of fate, and return to the human world?
