V.O.S'�Kim Kyung Rok�returns as a solo artist for the first time in five years with digital single "It's Not a Big Deal" featuring�Block B's�P.O.!

Kim Kyung Rok was discharged from the army back in October of last year and recently showcased his vocals again on�KBS 2TV's 'Immortal Song', and this new single expresses how much he missed the stage during his two-year hiatus.

"It's Not a Big Deal" is a medium-tempo soul song created by�Rhymer, Master Key, and�Shin In Soo�with a featuring by Block B's P.O. As the title suggests, the track expresses the feelings of a guy who tries to pretend as if everything is okay after going through a painful breakup.�

The story is portrayed through scenes of web drama 'Aftermath', which stars ZE:A's Dongjun and Sun Joo Ah.

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