Against the Gray Sky

One day, the world is suddenly engulfed in gray dust, and humanity stands on the brink of extinction due to a mysterious phenomenon known as the 'Halt'. Just then, beings calling themselves 'Mages' appear and save humanity from this fate. Thanks to the 'medicine' created by these Mages, mankind barely manages to survive. However, only the chosen ones living inside the Dome are provided with the proper medication. Meanwhile, under the bleak gray sky, Jin is forced to sell his body just to survive while desperately searching for his lost younger brother. In the midst of this, a warehouse storing the 'medicine' is discovered. Jin heads to the warehouse alongside the members of the Blue Skull g...