Group BTOB member Seo Eunkwang gave an unexpected laugh at a concert that was held face-to-face after a long time. The concert ‘2021 K-POP in Suncheon’, held on the 30th of last month, ended with great success with 2,000 on-site audiences. In this K-POP concert, 7 teams of top-class idol singers representing Korea, including NCT DREAM, Oh My Girl, and BTOB, the main actors of the Korean Wave, participated and presented a splendid stage. Among them, BTOB showed off the joy of meeting fans after a long time from the start of the stage, and in the prelude to the song, member Chang-seop Lee gave a short greeting, “It’s been a long time.” All BTOB members burst into laughter at Seo Eunkwang’s unexpected cute mistake, and after the stage ended, Seo Eunkwang said, “I’m sorry I didn’t get the timing right. In addition, on the stage that followed, other idols followed Eunkwang Seo’s comments and made the atmosphere of the concert scene pleasant.