What are some of the other good korean dramas to watch? Can they be not over 50 episodes? ?

I watched Princess hours. Delightfulgirl Choon Hyang. Lovers of Paris. Witch Yoo-hee. My girl. Full house. Hello miss! My name is Kim Sam Sung. Winter Sonota, Stairway to Heaven. Heaven's tree. One fine day. Love at Harvard. Autumn Tale