The music drama "Sing Again, Hera Gu" is in the spotlight with its popular cast, delightful music and an exciting storyline. Someone from this drama is the guest on today's Star Lounge. Out of the many celebrities, who will we meet today? Today's guest is actress Min Hyo-rin. She is back after a 4 year hiatus through the drama "Sing Again, Hera Gu".