If you like to relax, watch The Bride is Eighteen, My Girl (also called the Brother-Sister Contract) and Funny Family.
If you like inspirational, there are Dae Jang Geum, Empress Qian Qiu, Ming Chengzu and Huang Zhenyi in history.
If you like beauty and romance, watch winter love songs and spring and summer waltz.
If you like youth idol dramas, watch Palace, Flower Man, Spring Hero and Romantic Room.
If you like family dramas, they are watching, seven legendary princesses, Miss Mermaid, and Huang Shoupa (that is, these dramas are longer).
There is also a special "My name is St. Jin Shun" (which is very different from the previous Korean drama style)
Early classics include Love Hotel, Eve's Temptation, Blue Love, Project Runway and so on.
Korean dramas have developed for so many years, and naturally there will be more to watch. Let's see what type you like. Please contact again if you have any questions.