Got reincarnated into a world of RPG full of NPCs

Explore a city called Mobuo
All important items will be labeled, so the game is fairly fast paced.
The main character dies in the real world and is reincarnated as "Mobuo" in a fantasy world of swords and magic.
However, there were only NPCs in the world...
And when he finds out, he can do anything he wants to them...