Martin, a member of Cortis, appeared on MBC variety show ’Radio Star’ and shared various stories.

On the broadcast, Choi Won-young, Lee Tae-ran, and Bada revealed that they are fans of Cortis’s Martin and expressed their warm welcome. Martin explained the popular phrase ″Youngkku″ by saying, ″During the showcase, a reporter asked us to explain about ourselves, so I answered ’Young Creator Crew.’ The reporters then shortened it to ’Youngkku,’″ and added that he was inspired by this to write lyrics.

Choi Won-young mentioned the vintage feel of the music video and asked Martin if the members’ opinions were heavily reflected. Lee Tae-ran danced the Youngkku challenge with Martin and commented, ″When else would I get to dance with Martin like this?″

Martin expressed envy over the popularity of Eom Sung-hyun and Ahn Geon-ho, saying, ″I want to bring about a Martin boom.″ In response, Bada said, ″I think Martin is the most handsome,″ making Martin smile.