Sung Soo Jin and Nam Young Joo release their music video for “I’m Fine.” They state, “Sung Soo Jin who showed more matured talent in “K-POP STAR” Season 2 following Season 1 and Nam Young Joo who drew a lot of attention as being ranked in TOP 10 of “K-POP STAR” Season 3 released a duet album titled ‘I’m fine’. The…