First, you'll make couple rings. Many of Korean couple make couple rings even if they are not engaged. This has become a culture. You may find many jewel stores where you can make your own ring!
Move to Myeong-dong, one of the primary shopping districts in Seoul. The two main drags meet in the center of the block with one beginning from Myeong-dong Subway Station (Seoul Subway Line No. 4) and the other from Lotte Department Store at Euljiro. Many brand name shops and department stores line the streets and alleys. Common products for sale include clothes, shoes, and accessories. Unlike Namdaemun or Dongdaemun, many designer brands are sold in Myeong-dong. In addition, several major department stores include Lotte Department Store, Shinsegae Department Store.
Next stop is N Seoul Tower. N Seoul Tower is opened to the public on October 15, 1980 and has since become a major tourist attraction. The 236.7m Seoul Tower sits atop Namsan Mountain (243m), Seoul Tower offers panoramic views of Seoul and the surrounding areas. The view is so stunning that many consider Seoul Tower the best tower in Asia.
Finally, Hangang River Ferry Cruise is one of the best ways to enjoy the scenery around Hangang River that flows through Seoul. Cool wind from the river, the surrounding scenery, which get more beautiful in the evenings, are the rewards the ferry cruise can offer you.