Yuuto's been sent to another world, where he is now commander, or "Patriarch" of a clan of warriors.  To survive in this new world, he uses his cell phone, his only connection to the girl he loves back home.
the fighting at the front 
line must be truly fierce.
muss es an vorderster Front
erbittert zugehen.
la batalla en el frente debe ser feroz.
la lucha en el frente debe de ser feroz.
si leurs attaques nous atteignent.
i combattimenti al fronte
devono essere davvero feroci.
o combate nas linhas de
frente deve estar impetuoso.
сражение на фронте 
должно быть ожесточённым.