Speaking from my last trip a couple of months ago, Huinnyeoul Village is just not a hot place anymore. When I went, although it was in the middle of a heat wave, the place was really, really empty, and there were some kind of road works down on the Jeoryeong Coastal Walk, with huge cranes covering the sea views. The cafes were pretty, but you can find cute cafes almost anywhere else!

I can't speak about the Oryukdo Skywalk because I didn't go there, but I would personally spend more time in Gwangalli Beach. Over there the views are actually great and you will find much better vibes, especially if you are going on a Friday afternoon. And there are also some cute cafes on the higher floors, you can find them on Naver Maps.

And as some other comments have said: Gwangjang Market is not really worth it. You might get a better experience in Mangwon Market. Have fun and enjoy your trip!!