Leader’s Day is a reality entertainment show by iHQ. An episode comes out every Tuesday at 8pm on their channel iHQ. The first episode was on August 24, but Hyelin does not join until the September 6 episode.((Korea Daily article about Leader’s Day: https://m.hankookilbo.com/News/Read/A2021081815380004749))((Naver article about Hyelin joining Leader’s Day: https://n.news.naver.com/entertain/article/144/0000759463))
In the show, five (previously four) secretaries closely follow the lives of leaders 24 hours a day. They discover their habits and knowledge that make them successful, especially during these hard times.((Korea Daily article about Leader’s Day: https://m.hankookilbo.com/News/Read/A2021081815380004749))
The original secretaries are Jung Junha, Park Myungsoo, Ji Sukjin, and Yoon Jeongsoo. EXID’s Hyelin is now the fifth secretary.((Naver article about Hyelin joining Leader’s Day: https://n.news.naver.com/entertain/article/144/0000759463))
The show’s webpage is <http://channel.ihq.co.kr/adayofleaders/>, but the link seems to be blocked except within Korea.