media franchising; media mix (franchise)
Refers to a franchise developed across multiple media platforms (anime, manga, games, etc.), a common business model in Japanese entertainment.
This anime is a media franchise, with manga and games also released.
media mix (advertising); mixed media
In advertising, the combination of different media channels (TV, print, online) for a campaign. Also used for mixed-media art, though less common than sense 1 in Japanese.
For promoting new products, a media mix combining TV and social media is effective.