Is the Yonsei University KLI summer program suitable for me?

Hello, I am considering applying for the 5-week summer program at Yonsei University Korean Language Institute (KLI) this year. Currently, I can understand about 60-70% of everyday Korean conversations, but I have very little experience speaking Korean myself. While I can grasp words and sentence structures to some extent in listening, I often struggle when it comes to speaking. Would this program be suitable for me? I feel that participating in the Yonsei KLI program would allow me to gain experience living in Korea. Exploring areas like Gangnam or Hongdae and experiencing the local culture seems appealing to me. I think I could also make many foreign friends who participate in the program. In this situation, would this program help improve my Korean language skills? If anyone has had a similar experience, I would appreciate any advice.