This next season takes place in Shoreline, a present-day U.S. city. The world was drastically changed by an event known as the Grand Link, which summoned creatures known as Mythics from other dimensions. These beasts were once deemed mere folklore tales, yet have become a new reality.

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The event spurred on a new age for humanity, rife with confusion and anger. Ten years later, in the wake of severe disasters and a heated political climate, humans and Mythics are still struggling to live cooperatively.