An information processing system including at least an information processing apparatus, the information processing system comprising: a first display; a second display; first position detection means (81, S124) for detecting a coordinate input to the first display; second position detection means (81, S164) for detecting a coordinate input to the second display; first image control means (81, S126) for displaying, at a position including coordinates of an input start possible point on the first display, an image (Is) indicating the input start possible point before a coordinate input; second image control means (81, S166) for displaying, at a position including coordinates of an input target point on the second display, an image (Ie) indicating the input target point before a coordinate input; start determination means (81, S127) for determining whether or not a first coordinate input detected by the first position detection means includes an input to the position including the coordinates of the input start possible point; first coordinate determination means (81, S142, S144) for, if it is determined that the first coordinate input includes the input to the position including the coordinates of the input start possible point, determining whether or not a first continuous coordinate input to the first display detected continuously from the first coordinate input satisfies a first coordinate condition; second coordinate determination means (81, S182, S184) for, if it is determined that the first continuous coordinate input satisfies the first coordinate condition, determining whether or not a second coordinate input is detected by the second position detection means after the first continuous coordinate input, and the detected second coordinate input satisfies a second coordinate condition; arrival determination means (81, S186) for, if it is determined that the second coordinate input is detected by the second position detection means, and the detected second coordinate input satisfies the second coordinate condition, determining whether or not a second continuous coordinate input to the second display detected continuously from the second coordinate input includes an input to a position including the coordinates of the input target point; and positional relationship setting means (81, S149) for, if it is determined that the second continuous coordinate input includes the input to the position including the coordinates of the input target point, determining a positional relationship between the first display and the second display based on a trajectory of coordinates of the first continuous coordinate input and a trajectory of coordinates of the second continuous coordinate input. a first display; a second display; first position detection means (81, S124) for detecting a coordinate input to the first display; second position detection means (81, S164) for detecting a coordinate input to the second display; first image control means (81, S126) for displaying, at a position including coordinates of an input start possible point on the first display, an image (Is) indicating the input start possible point before a coordinate input; second image control means (81, S166) for displaying, at a position including coordinates of an input target point on the second display, an image (Ie) indicating the input target point before a coordinate input; start determination means (81, S127) for determining whether or not a first coordinate input detected by the first position detection means includes an input to the position including the coordinates of the input start possible point; first coordinate determination means (81, S142, S144) for, if it is determined that the first coordinate input includes the input to the position including the coordinates of the input start possible point, determining whether or not a first continuous coordinate input to the first display detected continuously from the first coordinate input satisfies a first coordinate condition; second coordinate determination means (81, S182, S184) for, if it is determined that the first continuous coordinate input satisfies the first coordinate condition, determining whether or not a second coordinate input is detected by the second position detection means after the first continuous coordinate input, and the detected second coordinate input satisfies a second coordinate condition; arrival determination means (81, S186) for, if it is determined that the second coordinate input is detected by the second position detection means, and the detected second coordinate input satisfies the second coordinate condition, determining whether or not a second continuous coordinate input to the second display detected continuously from the second coordinate input includes an input to a position including the coordinates of the input target point; and positional relationship setting means (81, S149) for, if it is determined that the second continuous coordinate input includes the input to the position including the coordinates of the input target point, determining a positional relationship between the first display and the second display based on a trajectory of coordinates of the first continuous coordinate input and a trajectory of coordinates of the second continuous coordinate input.