The January 4 airing of 'Park Kyung Rim's 2 O'Clock Date' featured actor Yoo Yun Suk, who came back to the big screen with feature film 'Mood of the Day'! 

During his chatter with the DJ, Yoo Yun Suk brought up his chemistry with Moon Chae Won, explaining, "I play the role of someone who continues to make a pass at Moon Chae Won's role by throwing dirty jokes her way. The flirting came naturally [to us]." 

SEE ALSO: HyunA faces backlash for talking candidly about her boyfriend Junhyung on 'Jo Hyun Ah's Thursday Night'

When asked if things ever got awkward because of the raunchy dialogue, Yoo Yun Suk answered, "As we recited our lines, we had fun joking around. Moon Chae Won could have acted awkward and things could have been weird between us, but surprisingly, she took well to the jokes. Thanks to her, the environment on set was pleasant." 

The actor them joked, "The rating on the film is PG-13 so minors can also view it," bringing laughter with the abrupt promoting of his movie.