Children of nobody. Sadly underrated and I don't know whyyyy. For me it is THE BEST K-drama
SKY Castle
it's a movie but Peppermint Candy
Man to Man
The untamed
Sungkyunkwan Scandal
When We Were Young
Prison playbook
The Story of Ming Lan (I'll be finishing up with this one soon, and I absolutely love it and recommend it.)
Mengfei comes Cross
Nirvana on fire
Empress ki
The dark lord
so many good ones on your list
Story of yanxi palace
kingdom, j-movie.
Children of Nobody
Save Me
Woman of Dignity
Midnight Runners
The Divine Fury
My Dear Warrior
Prison Playbook
Fight for My Way
teachers diary
To Each His Own
My Secret Romance