A Punishment for Mai

Mai is a 28 years old young woman with a sad and dark past from which she remember almost nothing but a deep pain.
Without knowing how, or why, Mai wake up one day in a motel room, wondering, she comes out only to find that she's in a place that she never saw on her life and which has nothing to do with her usual reality.
The girl, who initially thought she was alone in this city, ends up discovering that there is more life than she thought: monsters, demons, strange people and, last but not least, a kind of sect of people in cassocks who seem to be the 'lords of the place '. Under such conditions, Mai, plucks up courage and starts to seek for a way to get out of there, but unfortunately for her, after several months of searching she finds nothing.
However, someone has been watching Mai most of this time, a mysterious man who appears infront of her. He calls himself the 'Driver' and hides his face behind a mask.
Despite the initial distrust, Mai has no choice but to accept the help of the 'Driver', which, promises he will help her get out of the town.
Time passes and Mai begins to lose patience, strange dreams beset her, surviving in the town is becoming more dangerous, the doubts of what the town is and why is she there and above all that, a deep sense of sadness, are making the she starts to doubt on his sanity and to top places of her previous life started to appear in the town, including the house where she lived before appearing here.
All seems lost, but one day the 'Driver' appears and tells her it's time to leave the town, but first she shall pass a test...