An information processing device includes a control unit that executes: acquiring information indicating an environment surrounding a place where a plurality of movable objects is disposed, the plurality of movable objects including display units that display a picture to configure an external appearance; deciding a display content of the picture to be displayed by the display units included in the plurality of movable objects, depending on the information indicating the environment surrounding the place; and giving an instruction to cause the display units to display the picture having the decided display content, to the plurality of movable objects disposed at an area surrounding the place.