Both are mini dramas in which the FL enters a fictional world and falls in love with the villain of the story.
The Villain Loves Me Too Much (2022)
Similars
Both are mini dramas with a modern day FL pulled into a story which she sends off course. While trying to return to the real world, she becomes involved with the villain of the story.
In both dramas, a modern/future FL enters a historical world and becomes involved with the villain.
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Both are short length dramas with a modern day FL who enters a story and falls in love. The couple are antagonists within the story.
Both dramas have a modern day FL entering the world of a historical novel and falling in love with the villain or the character she originally hated.