In a world filled with Robotic OrderMaids, young Bondo Taira discovers that his friends Motsuo and Gachi Gorilla also have these mechanical helpers. While Motsuo enjoys the company of the graceful Meico, Bondo feels envious and persuades his mother to get him an OrderMaid as well. Much to his surprise, the robot that arrives, named Roboko, is strong and clumsy, causing chaos instead of assistance. Despite initial disappointment, Bondo and his friends soon realize that Roboko holds unexpected secrets and surprises beyond their imagination.