It is the year 1997, and aliens have taken over most of Eurasia.  Humanity fights back with giant robots called TSFs, but is gradually losing ground to endless alien armies.  Now the aliens are advancing on Japan, and Yui Takamura, a trainee at the Imperial Guard Academy, will have to battle them...
In accordance with this, the Asian Union 
has erected an absolute defense line
Y conjuntamente, la alianza asiática ha 
establecido una línea defensiva impenetrable...
Y conjuntamente, la alianza asiática ha 
establecido una línea defensiva impenetrable...
E com isto, a União Asiática ergueu uma linha absoluta de defesa, visando impedir os BETA de invadirem o Japão.