Ryu House is ideal place to stay if you plan to stay in Seoul for couple of weeks to do cosmetic procedures or surgery. It's in walking distance to JK and many other cosmetic facilities/hospitals. The owner Danny and his emplyees are very thoughtful, kind, responsive, and supportive.
We saved so much by staying at the Ryu Guest House instead of a Marriot or Holiday Inn. It was like apartment studio living abroad in Sinsadong, Gangnam, Seoul, SK. Everything was walking distance to Metro, Food, Groceries (CU Market), Bars (Kompact Record Bar), Coffee Houses (Milestone) and Garosugil (Trendy Area). We felt very safe as well. Say hello to Denny for us from Heeyun & Tony :)