An image storing apparatus for storing at least one image based on an image data generated by an imaging apparatus is provided. The image storing apparatus includes a receiving unit, a processor, and a storage device. The receiving unit is configured to receive the image data. The processor is configured to prepare image-relating information and prepare a data set including the image-relating information and the image data following the image-relating information. The processor prepares leading information leading to the image data as part of the image-relating information. The storage device is configured to store the data set.