Some nice production stills on Marcus Sim's YT channel @ 11:28 https://youtu.be/Xwp3V4_DV00 Since filming wrapped during the third weekend of January 2021, in my opinion, this drama is more likely to premiere in 2022. I would be thrilled to be proven wrong. : )
novel synopsis which is easier to understand. lols.https://www.avirtualvoyage.net/2020/11/li-yi-tong-and-jin-han-begin-filming-for-ding-mos-my-deepest-dream-the-dark-clouds-meet-the-bright-moon.html
Viki added "Nothing But Thirty" this past July. Viewers gave it good ratings. I haven't watched it. It would be interesting to hear comments about similarities.
K-Drama 
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https://youtu.be/Xwp3V4_DV00
Since filming wrapped during the third weekend of January 2021, in my opinion, this drama is more likely to premiere in 2022.
I would be thrilled to be proven wrong. : )
Link: https://www.viki.com/tv/37680c-dtappledogs-time
Teasers with English subtitles here:
https://www.kocowa.com/en_us/channel/4843589/A-Good-Supper
https://youtu.be/n7IE_ixYknY
https://www.soompi.com/article/1441293wpp/soo-ae-in-talks-to-star-in-new-mystery-drama
https://www.viki.com/tv/37521c-all-in
Viki added the channel just a few days ago, and the volunteer team is busy recruiting team members.
https://www.koreatimes.co.kr/www/art/2020/12/688_300214.html
https://www.viki.com/tv/36805c-reflection-of-lion-on-lazy-cat