What happens when study hall's 4th period, 13 students with nothing better to do and their teacher, is thrown into another a vast fantastical desert full of kingdoms ruled by dragons, magical relics, and all sorts of adventure? Well, they immediately try to go back to earth, hitting the road in search of someone who could send them back. To make ends meet on the road, they form a trading caravan. On the road they meet many peoples and face many perils, fully immersing themselves in the new world as they seek a way out.