Traveling through another world and becoming a ferryman in Yin and Yang. You can go to the underworld where living people cannot reach, above the fountain, and to be able to save the sinking, all in one thought. Ferrying through the yin road, to survive the yin, and to find the truth through layers of fog. Above the nine-curved fountain, to cross the yin and Yang, to obtain a paid. Fierce spirits, evil ghosts... are full of crises! Everything is for self-protection. Successfully relied on the living soul and obtained an iron cloth shirt! Sinking in the underworld and to obtain a fragrance of merit! ... Wait, I just want to protect myself, why is it invincible if I am not careful!?