Unknowingly, when ordinary people are not aware of it, those heroes in the dark have been silently fighting against the aliens for tens of thousands of years.
Generation after generation of people have worked one after another to pave the way for peace on the planet with their blood.
A new generation has awakened, and they will take on the unknown mission of guarding the safety of the planet.
Young men of the new generation, take your weapons and your pride onto the battlefield.
With hope, the sky will always be blue!
With the future in mind, darkness will never come!
Purpose: The growth of young people