[He snorts. Ah, someone with a wit to match his own. Naoya's generally quieter about it unless he knows the person, but somehow the attitude doesn't put him off.]

Earth. Which may not mean much - though various cultures have called it various things. Terra, Gaia... the ancient common tongue had its own word for it before languages were split off, but it means the same thing. Specifically I'm from - most recently - an island nation called Japan in one of the planet's oceans.