Even though the character isn't Trans or Non-Binary, your list made me think of the beautiful "Lee Sang Yeop / Samantha [Unit 705]", played by actor Ahn Woo Yeon, who cross-dresses as a woman in Mad For Each Other (2021 Kdrama). Have you watched it ?
Actress Kim Hye Eun is so talented. She made me hated her character so much when she played the role of Kwon Jeong Hui, San Ha's mother, in "Family by Choice". That woman was just plain egocentric and manipulative. One of the worst moms in Korean shows.
Kudos to these talented actresses for playing some of the "best" insufferable mothers ! 👏🏻🤣👏🏻
This should be a neverending voting list, btw 😅 - Xu Mei Ling (MoMo's mother in "Put Your Head on My Shoulder". That woman had no sense of privacy/boundary) - Yang Tong Shu (Ling Xiao's mother in "Go Ahead". This egocentric and manipulative woman was the devil incarnated) - Wang Lin (Dao Ming Si's mother in "Meteor Garden". Her high intelligence was ruined by her terrible meanness) - ...
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Have you watched it ?
This should be a neverending voting list, btw 😅
- Xu Mei Ling (MoMo's mother in "Put Your Head on My Shoulder". That woman had no sense of privacy/boundary)
- Yang Tong Shu (Ling Xiao's mother in "Go Ahead". This egocentric and manipulative woman was the devil incarnated)
- Wang Lin (Dao Ming Si's mother in "Meteor Garden". Her high intelligence was ruined by her terrible meanness)
- ...
PS: I haven't watched the other titles you mentioned but "Secrets Happened on the Litchi Island" is a little gem 💝
https://kisskh.at/people/193-seo-do-young