"Rumor" is the final story that continues from "Oh NaNa" and "Don't Recall". "Oh NaNa" is the 'love' story, "Don't Recall" is the 'break up' story, and "Rumor" is the 'misunderstanding story'.
SEE ALSO: Watch KARD's 'Hola Hola' selfie MV!
It's a dancehall groove song with an EDM melody. Check out the song and MV above.