Guns Akimbo

According to the plot description, Miles is a boring ordinary office worker who spends his time after get off work hiding behind the screen as a keyboard geek. One day, his message offended the owner of a dangerous real-life game. After being beaten unconscious, Miles found two pistols nailed to his hands. He was forced to join this battle game, and he had to kill the current number one player, Nyx, or else he would wait to be killed by her.