THE EARTH HAS BECOME A SQUARE? Digiborg Earth Defense Force

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

Do you know?
Primers, Foriners and Invaders.
Brave warriors who have protected this square Earth from invaders closer than space.
Earth defence force "EDF".
And now the hand of evil has come upon Earth again. Its name is Dark Legion.
Without any resistance, the Earth has been torn apart by a barrage of six motherships led by Dark Legion.
Land roads have been cut off, supplies and food have not been provided, and people are now in despair.
The last hope left. it's you!
The EDF friends who continue to fight in isolation around the world.
Bring them together and build the strongest team of your own.
We, EDF, will begin to fight back.