Z-agon is a multimedia computer with six cubic multi-displays. This device operated by physical movements of the cube to change channels of contents. This device is used as a network-based multimedia player. Users browse many kinds of contents such as Blogs, Web news, Movies, Music Videos and so on. This concept of Z-agon has been envisioned by design studies. Now product design requires knowledge from many fields such as hardware, software, infrastructures, social networks and revenue models. Sometimes technologies have not entered the stage to satisfy user needs. However, envisioning the concept based on design adequacy is an important attitude to break an innovation into a product. In this paper, an integrated design of Z-agon is introduced.