To provide a technique presenting a hint that communications are made correctly and giving an affinity with a character in a video game making communications with the character displayed on a display means via interactive actions.

The mental inner data of a character 31 are recorded. When the mental interior is displayed on a character display screen as shown in Fig. (a), whether the screen is an interior display screen or not is judged, and the mental interior data are read and displayed as shown in Fig. (b) if the screen is the interior display screen. When the attribute value 35 of the character 31 is to be changed by the display of the mental interior data, the propriety of the above display input is judged.