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.
Hello?!
Hallo?!
¿Diga?
¿Diga?
Allô ?
Pronto?!
Alô?!
Алло?!