Have you ever thought that beneath the neon-lit cities, there might be monsters from ancient myths? Have you ever thought that on the moon high above, there stand gods watching over humanity? Have you ever thought that in the bustling modern cities, there exist extraordinary people who walk the earth on behalf of the gods? In a society ruled by humans, countless mysteries lurk; in those life-prohibited zones untouched by humans, ancient gods reside. The Archangel Michael, the God of the Underworld Hades, the Sea God Poseidon... and where have the gods of Daxia gone? In this world of 'humans,' 'mysteries' must be eradicated!