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.
I didn't come up with it.
Nicht ich habe sie mir ausgedacht.
Yo no la inventé.
Yo no la inventé.
Non me la sono inventata io.
Eu não a inventei.
было придумано не мной.