An image generating apparatus includes an imaging device that photographs a user to generate a photographed image, and a control device that performs a process of compositing an image for composition with the photographed image. The control device detects a plurality of parts of a body of the user from the photographed image, adjusts the image for composition in size, position, and direction depending on a size, a position, and a direction of each of the plurality of the detected parts, and composites the image for composition with the photographed image with the adjusted size, at the adjusted position, and in the adjusted direction.