The Lewd Corruption of the Heaven

A city in the Human World suddenly stopped believing in the Goddess, and that's weakening the Angelic World, Cassiel and Sapphire are two angels that were sent to the Human World to help humans so they believe in the Goddess again, but in the moment they arrive that city, things start to get complicated, because they can't go back to the Angelic World, and a strange energy is enhacing the lust of humans.