1. An image processing system comprising: a first determination unit configured to determine a relationship between a user and another person established through utilization of a predetermined service; a second determination unit configured to determine a relationship between a first image, which is of the user and has been subjected to image correction processing, and a second image, which is of the another person; and a recommendation unit configured to, based on a determination result of the first determination unit and a determination result of the second determination unit, recommend image correction processing performed on the second image to the user.