An information processing system comprising a first information processing apparatus, and a second information processing apparatus configured to communicate with the first information processing apparatus, wherein the first information processing apparatus includes first control means (11, S20, S21) for controlling a first object in a virtual space according to an input by a user of the first information processing apparatus, and first sending means (11, S22) for sending object information about the first object to the second information processing apparatus, the second information processing apparatus includes reception means (11, S31) for receiving the object information from the first information processing apparatus, second control means (11, S39) for controlling a second object in the virtual space according to an input by a user of the second information processing apparatus, and controlling the first object based on the object information, and display means (11, S41) for causing a display to display an image containing at least the first object, wherein the second control means, when a predetermined condition is satisfied, skips a portion of an action that is performed by the first object based on the object information, wherein the predetermined condition is that the reception means has received, as the object information, information indicating that the first object has started a predetermined action based on the input by the user of the first information processing apparatus, the predetermined action includes a preliminary action, and a main action that is performed, following the preliminary action, the second control means, when the predetermined condition is satisfied, skips at least a portion of the preliminary action of the first object, and controls the first object so that the first object performs at least the main action, and the preliminary action does not affect the second object, and the second information processing apparatus further includes determination means (11, S67) for determining whether or not the second object has been affected by the main action of the first object. the first information processing apparatus includes first control means (11, S20, S21) for controlling a first object in a virtual space according to an input by a user of the first information processing apparatus, and first sending means (11, S22) for sending object information about the first object to the second information processing apparatus, first control means (11, S20, S21) for controlling a first object in a virtual space according to an input by a user of the first information processing apparatus, and first sending means (11, S22) for sending object information about the first object to the second information processing apparatus, the second information processing apparatus includes reception means (11, S31) for receiving the object information from the first information processing apparatus, second control means (11, S39) for controlling a second object in the virtual space according to an input by a user of the second information processing apparatus, and controlling the first object based on the object information, and display means (11, S41) for causing a display to display an image containing at least the first object, wherein reception means (11, S31) for receiving the object information from the first information processing apparatus, second control means (11, S39) for controlling a second object in the virtual space according to an input by a user of the second information processing apparatus, and controlling the first object based on the object information, and display means (11, S41) for causing a display to display an image containing at least the first object, wherein the second control means, when a predetermined condition is satisfied, skips a portion of an action that is performed by the first object based on the object information, wherein the predetermined condition is that the reception means has received, as the object information, information indicating that the first object has started a predetermined action based on the input by the user of the first information processing apparatus, the predetermined action includes a preliminary action, and a main action that is performed, following the preliminary action, the second control means, when the predetermined condition is satisfied, skips at least a portion of the preliminary action of the first object, and controls the first object so that the first object performs at least the main action, and the preliminary action does not affect the second object, and the second information processing apparatus further includes determination means (11, S67) for determining whether or not the second object has been affected by the main action of the first object.