An image processing apparatus, an image processing system, and an image processing method, are provided, each of which receives a user instruction for printing an image on a plurality of recording sheets with an addition image being added to the image at a preset position in the image; generates a plurality of items of image data to be formed on the plurality of recording sheets so as to obtain the image when the plurality of recording sheets are pasted together; determines a specific recording sheet of the plurality of recording sheets and a specific position on the specific recording sheet, based on the preset position of the addition image, a number of the plurality of recording sheets for forming the image, and an image forming direction in forming the image on the plurality of recording sheets; and adds the addition image to an item of image data corresponding to the determined recording sheet at the specific position on the specific recording sheet.