Siblingsbattlingtogether Stories

In the year of 2105, we are in the world of future tech. Where there are flying cars that taken over the manual on the ground type, where there are robots who've completely taken over human jobs. Here we are with the world being so damn advanced that it's unbelievable. Kids working on the computer and schools not existing anymore. Has the world taken a turn for the better or worse? It's like a real world Sao but death is even more painful and the monsters come into reality. When you die, your body disappears and no one will ever know that you've disappeared except for your comrades. What has happened to the world? A abnormal girl who has the ability to shoot any part of her body in order to have a weapon appear? Woah! Isn't that strange. Who will she make friends with along her journey? What mighty foes will she face?