In May 2018 Kim replaced Hwang Chi-yeul as a waiting room MC on the popular singing program Immortal Songs: Singing the Legend; he had previously been a guest MC during Moon Hee-joon's temporary absence. He was one of fifteen artists or groups, including the likes of Insooni, 2PM and DJ Doc, headlining the medal ceremony aftershow for each day of the 2018 Winter Olympics in Pyeongchang County.
In May 2018 Kim assumed a hosting role on Immortal Songs: Singing the Legend after Hwang Chi-yeul; he had previously acted as a guest host during Moon Hee-joon's temporary absence. He was part of a group of fifteen artists or groups, including Insooni, 2PM, and DJ Doc, that led the medal ceremony aftershow for each day of the 2018 Winter Olympics in Pyeongchang County.