An aspect of the invention relates to a moving image distribution system. The moving image distribution system may include one or more processors. The one or more processors may execute a computer-readable command to register a distribution user that has made a registration request among a plurality of distribution users that distribute moving images including character objects generated based on their own movements, as a first co-starrable user, to select a first co-starring user from among a plurality of first co-starrable users in response to reception of a first co-starring application for co-starring with any of the plurality of first co-starrable users from a co-starring application user, and to distribute a co-starring moving image in which the co-starring application user and the first co-starring user co-star.