The Korean drama _THE IDOLM@STER.KR_ is currently being simulcast on Amazon Prime with English and Japanese subtitles.[1][2]
[1]: https://www.amazon.com/dp/B06ZZNKX78/ [2]: https://www.animenewsnetwork.com/news/.105749
[1]: https://www.amazon.com/dp/B06ZZNKX78/ [2]: https://www.animenewsnetwork.com/news/.105749
I'm very ignorant of Japanese or Korean dramas/live-action programs.