This is a world of magic and science, a world that non-humans left long ago. But humans can still use magic to summon non-human races, and humans and non-human races fight side by side.
The protagonist Gong is the illegitimate son of one of the largest families in the federation and was abandoned at birth. The protagonist Gong, who grew up in a slum, relies on his powerful magic power and hard work. At the age of fourteen, he won the youth mecha competition championship and summoned the protagonist as he continued to advance into the competition.
In the end, the protagonist Gong and the protagonist Shou signed a contract and fought through obstacles along the way.
The protagonist, Gong, leads mankind to fight the cosmic Zerg back to their nest and reach the peak of life.
Purpose: The promise must be fulfilled