A young man on a plane fell off the plane for unknown reasons, and she was sucked in by the air layer. She fell into an unknown realm floating in mid-air. This realm existed at the same time as the world she knew but could not communicate with it. People in this realm could grasp all the trends in the original world, but there was no way to get out of this realm and return to the original world. Someone suggested that she go find the ruler of this realm. She tried to find a way out and encountered many strange things along the way. How would she face the strange species in this strange world...