To provide an information providing system, a robot, a program, and an information storage medium allowing a user to have smooth communication with a partner.

This information providing system is provided with a judging part 114 for judging whether a predetermined event related to a robot owned by the user occurs or not in a virtual space and judging whether there is a related robot related to the robot or not if the event occurs, an information preparation part 112 for preparing transmission information including the information related to the user of the robot when it is judged that there is the related robot, and a transmission and reception part 190 for providing the prepared transmission information to the related robot or a terminal unit owned by the user of the related robot.