On April 19th, 1973, a race of extra-terrestrial lifeforms launched a landing unit from the moon, which touched down on Earth, in central Asia. Ever since, mankind has been engaged in a losing war against this alien species, known as the BETA, as they have gradually expanded outwards across the globe. After 20 years of non-stop fighting, the war has reached the shores of Japan...
Considering what we're up against, 
we seem to be holding well enough.
.بالنظر لما نواجهه، فنحن صامدون كما ينبغي
Wenn man bedenkt, womit wir
es zu tun haben, schlagen wir uns gut.
Compris !
Considerato il nostro nemico,
 ci stiamo difendendo bene.
Considerando o que enfrentamos,
parece que estamos nos segurando bem...