This apartment located beside of small stream trail and there are quite many Korean style restaurants nearby.
The hosts love books, decorating house and you will be treated coffee and tea. And they stay in the apartment too.
The metro is 200m distance and on the same line with Mangwon(famous street and market), Hapjeong(multiplex and mall), Sangsu(Hongdae area) and Itaewon. Just few stops
You will love relaxing chair definately.