A device of the invention includes a search inputting unit inputting a search object service and a search condition of content; a first search processing unit, when an accumulation method corresponding to an inputted search object service is a preliminary accumulation method, searching the metadata coincident with an inputted search condition in a first metadata storage; a second search processing unit, in case that the accumulation method corresponding to the inputted search object service is a search-based accumulation method, when the inputted search condition is registered in a second metadata storage in association with the inputted search object service, obtaining corresponding metadata from the second metadata storage, whereas when not registered, obtain and accumulate the metadata coincident with the inputted search condition in the second metadata storage in association with the inputted search condition; and a search-result displaying unit displaying the metadata acquired.