In the calm evening, the afterglow of the sun adds warmth and romance to a beautiful and pleasant city. However, a disaster suddenly struck: a comet exploded, and countless burning meteorites hit the city from all directions. The peaceful city was instantly surrounded by fire, explosions, and screams. A strange thing happened. Six mysterious water droplets of different colors were suspended in the air, looking for their respective owners. The mysterious water droplets finally found their little masters - the fate of seven innocent teenagers changed from then on... When the seven teenagers were watching the Nine Stars in a Planetarium, they inexplicably traveled to the desert. In the illusion of a mirage, they came to an abandoned city. However, another even more terrifying fact appeared before our eyes: these ruins were the city where they once lived.
