V.O.S appeared on KBS 2TV's 'Yoo Hee Yeol's Sketchbook' on January 17 and revealed their thoughts on promoting as a two-member group after Park Ji Hun left the group in 2010.

Member Choi Hyun Joon joked, "We haven't promoted together yet, but we might get out of breath because we're used to there being three people." However, Yoo Hee Yeol pointed out that on the other hand, they would get many more parts. 

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Kim Kyung Rok, who is currently promoting the solo track 'It's Not a Big Deal', responded in an excited high pitch, "Oh yes, there is a lot!" To further everyone's amusement, he continued, "We did not do an event yet, but when we do, the payment will be split between only two."