In certain corners of the world, a ruthless underground sport has emerged. It takes place in poorly lit gymnasiums and while it is banned in most regions, the ban is not strictly enforced. The number of spectators are often small and are careful to keep a distance from the combat. There are no weight classes. No male and female divisions. No age restrictions. It is a team sport, but at times teammates can only watch helplessly as one of their own is eliminated. The best defense is a good offense, but an entire team can be immobilized by a single sharpshooter. Not every team possesses an expert sharpshooter, but a barrage is just as effective. Even in defeat, a fighter maintains his maniacal smile. Over the years, the weapons have been made softer and the rules friendlier. But these children are playing a sport that is no less cruel than the one their fathers have played.