1. A display control device comprising: circuitry configured to cause a display to display a first captured image; cause the display to display both the first captured image and a live image at a time of imaging a second captured image, the first captured image including an indication indicating a corresponding region corresponding to the live image, a region indicated by the indication in the first captured image being a different region in the display from a region where the live image is displayed in the display, the corresponding region in the first captured image indicated by the indication being obtained by capturing a same area of a same target object as the live image, in a case where a modification target region is detected from the first captured image; and cause the display to display a composite image in which a part or all of the second captured image is composited on the modification target region.