简介：　　在人类灭绝、地球处于后世界末日状态的世界里，工人机为了生存并打败“杀手无人机”之类的流氓机器人而不断努力。　　In a world where humanity is extinct and Earth is in a post apocalyptic state, worker drones struggle and toil to survive and defeat rogue robots called Murder Drones.';