Choiza got uncharacteristically abashed at a joke concerning his girlfriend Sulli during the live broadcast of the '2016 Dynamic Duo Solo Concert.'�

He and Gaeko were interacting with their fans via the live 'V' app by reading aloud their real-time comments.�

SEE ALSO: Late singer Hara's mother loses inheritance lawsuit & constitutional court gives ruling

Gaeko suddenly read a comment that went, "My heart is really sulli sulli (a play on the Korean phrase 'Seoll-eh' meaning that you are feeling excited/anxious)," Choiza replied in an embarrassed tone, "Why would you read that [comment]?" Gaeko simply said, "Because [the fans] wrote it."

That's what friends are for!