The second content provision system determines, in response to a request by a user from a second terminal belonging to a second network, a second content being a same content as a first content, which is provided to the first terminal belonging to a first network or an alternative content for the first content and matching rights of the user. The second content is provided from the second network to the second terminal and can be used by the second terminal. The second content is determined by using content information specifying the first content which is in-use or which the use has interrupted and ownership information indicating the rights of the user and the content provision system acquires the content information and the ownership information from the first content provision system in response to the request from the second terminal.