On September 17 and 18, IU held her solo concert 'The Golden Hour' at Jamsil Olympic Stadium, Seoul.
Thousands of fans and celebrities filled the stadium to enjoy IU's first concert in approximately three years―and her previous drama co-star Lee Joon Gi was there, too.
Along with the photos, Lee Joon Gi wrote, "I watched with excitement, wondering if that's what it would feel like to have the whole world. But then I was able to feel the gift of happiness of what it would feel like to have the whole world!"
He added, "Thank you, Ji-eun (IU's real name). You worked so hard, and it was truly amazing. I received great inspiration and strength (from the concert), and now I'll go back to filming."
Upon seeing the two's heartwarming reunion, fans commented, "I'm still waiting for the second season.", "I miss them a lot.", "So happy to see their strong and continuous friendship.", and more.
(SBS Star)