Mi Casa is a Spanish dining and wine restaurant in Itaewon. They have a nice second-floor dining/lounge area.
If you are looking for a place to drink wine, Mi Casa offers around 40 wines by the glass.
Address: 119-21 Itaewon-dong, Seoul, South Korea
Directions: Out Itaewon Station exit #1, make your first right up the side street next to the Hamilton Hotel (8.2)*. At the top of the hill, turn left. Mi Casa is a two-minute walk and will be on your left.