I learned to kill gods in a mental hospital

Have you ever thought that monsters from ancient myths lurk beneath the bright neon cities? Have you ever thought that above the moon hanging high above the heads of the world, there are gods watching over the world? Have you ever thought that in the crowded modern cities, there are extraordinary people who walk the world in place of gods? In a society ruled by humans, there are countless strange things lurking; in those forbidden areas of life that no one cares about, ancient gods live. Seraph Michael, Pluto Hades, Poseidon...and where did the gods belonging to Bactria go? In this world of "people", "mystery" needs to be eliminated!