Jo Kwon revealed a snapshot taken with singer Kim Hyun-sung.
On December 16, Jo Kwon posted a picture on his Instagram and wrote, "It was such an honor to remake 'Heaven' of 'Sugarman' Kim Hyun-sung sunbaenim."
In the picture, Jo Kwon and Kim Hyun-sung are smiling happily. Kim Hyun-sung is showing off his baby face.
Meanwhile, Jo Kwon and Kim Hyun-sung appeared on the December 15th episode of JTBC's "Sugarman."