An agent system which provides information for a user, displaying a character, includes: an agent program provided in a user computer connectable to a communication channel network; a user information storage part that stores user information; and a character display data storage part that stores character display data for determining a display form of the character. The agent program performs processing of collecting the user information and information selected by the user information, processing of creating a key word specific to the user based on the user information and the selected information, and processing of providing information, varying the display form related to the character from the selected information and the character display data, for every item of information. That is, a character as a virtual creature is provided in an information communication apparatus such as a personal computer or the like, so that information can be collected with interests and fun through communication between the user and the character.