Both are about a modern/future FL who enters a fictional historical world through VR means. Once there she becomes increasingly involved with the antagonist.

Both are short length dramas with a real world FL entering the world of a novel and falling in love with the story's villain.

Both are short length dramas with a real world FL entering the world of a novel and falling in love with the story's villain.

Both are shorter length dramas set within a manga world.
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Both are short length dramas with a real world FL entering the fictional world of a novel and falling in love with the villain.

Both are set within the world of a comic and the FL intentionally or unintentionally keeps changing the course of the story.

Both are short length dramas with a person from the real world entering a fictional world and an antagonist ML.

Both are short dramas in which the FL is in a fictional story (tv drama vs. manga) and falls in love with the plot's villain.

Both are short length dramas with a real world FL entering the fictional world of a story and falling in love with the villain.

Both are short length dramas with a real world FL entering the fictional world of a story and falling in love with the villain.

Both are mini dramas in which the real world FL enters the world of a comic and becomes increasingly involved with the plot's villain.

Both mini dramas are about the modern day FL who is an actress/wants to be an actress entering a historical fictional story (script vs. comic) where she accidentally becomes involved with the plot's villain.