1. An image processor comprising: circuitry configured to: recognize a captured target on the basis of a captured image; generate an additive image for decorating the target depending on a user circumstance of a user seeing the target and a recognition result; modify a position of objects of the additive image so as to maintain a concept of the target before the division, combination or deformation, when the captured target is to convey a concept and the captured target is divided, combined, or deformed; and delete or do not modify the objects when the objects of the additive image are not generated on the basis of the concept, wherein the user circumstance is based on environment information that includes present time, weather and location of the user.