MC Yoo Hee Yeol introduced them to the audience, saying, "Today we have dating experts Dynamic Duo and dating rookies iKON. Even their song lyrics are vastly different." Choiza joked, "I think our pure hearts are at least similar," bringing laughter on the stage.

SEE ALSO: Yesung criticizes SM Entertainment’s cold treatment of group projects

The artists delved a bit into their dating methods, giving an insight into how they approach someone they're attracted to. Choiza said somewhat dispiritedly, "I just pay for their meals."�

iKON's Bobby on the other hand, confessed that he relies more on his eye smile than what he may have in his wallet. The idol said, "I just ask in a straightforward manner if they want to grab something to eat with me." What kind of girl would say "No" when Bobby asks with that sweet smile of his?�

Check out their respective performances on 'Sketchbook' below.