During my time in South Korea I went to a lot of concerts and Incheon Sky Festival was one of them. It was a free event for foreigners so I didn't hesitate to attend this festival of K-pop. A lot of K-pop groups performed for hours and even though our seats were far behind we loved the show so much! This is a picture taken during the concert and Nuest was on stage at the time as you can see.
I would definitely recommend you to look at free events (or paid) like these if you want to see as many K-pop groups as possible. KTO is really good at providing informations about cultural events like these so follow their Facebook-page if you want to get news about festivals and other cultural events.
