An island named "EGU Island" floats in a certain ocean. The only entertainment available there is listening to the songstress, "End of the World." Day after day, the islanders are enchanted by her singing. However, this tranquil time is shattered in an instant. Since the songstress disappeared, the island has been filled with "anger," "doubt," and "anxiety." Various thoughts and intentions begin to stir...A licking war unfolds around "End of the World!" The one who holds her destiny is the legendary legacy "EGUMI Legacy."