1. A video conference system in which at least a pair of terminal devices transmits and receives an image through a network, each of the terminal devices comprising a face detection unit that detects a face from a first image which is a image captured by a camera, and a generation unit that generates an image in which an image of the face detected by the face detection unit is arranged around an image region of a second image, which is an image of a material used for a conference, in accordance to a relative position of the face in the first image.