Question: What popular Korean drama  or K-drama, centered  on the personal and professional lives of those in the broadcasting industry, offering a realistic look at Korean drama production through the work and romance of two TV directors?
Sentence (from "Sasaeng fan"): According to estimates given by celebrity managers to Korean media, popular Korean celebrities "have between 500 to 1,000 sasaeng fans" and are actively followed by about 100 sasaeng fans every day.
Relevant evidence: No