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Human beings fled the solar system and wandered in the vast universe. They believed that their technological level was enough to enslave other races, but they encountered the "Zerg", the overlord of the universe, and the defeated human race fled. We arrived at the Barbarian God Galaxy, and the barbarians mastered a violent weapon [mecha] that even the Zerg tribe coveted. When the three meet, a new era begins. The mecha storm also swept across the universe.