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.
D-Don't worry about it.
I-Ist schon in Ordnung.
No te preocupes.
No te preocupes.
L-Lascia perdere.
Não se preocupe com isso.
Не волнуйся ты.