Some of the reasons that Korean dramas are popular might be because of the story focused on family, beautiful background music, and/or beautiful Hanbok in the historical dramas.
However, Korean dramas are often criticized for commonly used theme of love triangle/affairs, romance between a working-class woman and a rich man.
Have you ever watched K-drama or heard about it? How was your experience watching it? How are the k-dramas different from those from your home country?