>>936996919
It's like compensated dating with the target viewer appeal of feeling involved in a community. They're structured like J or K idols. The gaming aspect is easy key-moment point form storyboarding. Any quality sfw characterization done by fans at a high enough volume becomes incorporated into the performance. Singing is the other appeal hook, but mostly functions for audience retention.
The format allows for better event control due to eliminating things such as handshake events and dating scandal followed by easy termination and replacement of talent.