Sm Entertainment Japan. 

Stream Media Corporation engages in the CS broadcasting, management, mobile, fan club, merchandising, events and concerts, music, and rights businesses primarily in Japan and South Korea. The company operates Discover Asia (DATV), KNTV, and Kchan! Hanryu TV; manages, plans, and organizes activities of artists, such as music, and appearances at events, media, and commercials; and plans and operates official mobile sites of artists. It also operates and plans artists' fan clubs sites; designs, creates, and sells event goods at concerts, fan meetings, and other events; operates e-commerce site DATVshopping, which sells range of merchandises made up of Korean Wave goods; and plans and holds events related to artists and their fan clubs, and dramas. In addition, the company acquires broadcasting, distribution, and other associated rights for image contents, including dramas and movies, as well as operates relevant businesses comprising DVD business. Stream Media Corporation was founded in 1971 and is headquartered in Tokyo, Japan.