Hacka Doll is a Japanese anime television series. In the near future in the current 21st century, the media is saturated with information, making it impossible to discern the correct needs of people and their problems. In this context, the story revolves around the Hacka Dolls, robots with an AI system created for the help and personal entertainment of its users. Their AI application program is synchronized with a user, allowing the user to automatically analyze the tastes and preferences of the user and then offer their personal help service or make recommendations to improve those needs. Three of these Hacka Dolls are clumsy, which will open the way to the development of the plot.