First motion data, generated based on motion of a user using at least one tracking device attached to the user, is acquired. A first video is displayed that moves based on the first motion data and represents a virtual space as viewed from a viewpoint of the user. A second video is displayed that moves based on the first motion data and represents the virtual space including an avatar of the user as viewed from a separated viewpoint at a distance from the avatar of the user. An object is attached to the avatar of the user or is removed from the avatar of the user according to operation data generated based on an operation of the user.