Fallen Sky

The year is 2020, a virus had taken out most of the world's population. All that is left of humanity are the ones who had the natural ability to survive the virus. Little did the humans know, the world is gonna change, and it starts from one boy. Dimensional pockets are going to open and let monsters from other worlds in. Goblins, Orges, slimes, DRAGONS?!? How will humanity react to this sudden change, when they had already suffered greatly. Will they flourish or will they wither out of their own world? A certain boy will show the will of humanity, and lead his friends and family through this new age.