The album title was named after the combination of "S" from SS501, "T" from Triple S (SS501's official fanclub), and "01 NOW" which, when combined altogether, means "SS501 and Triple S united as one from now until forever".
Primul lor studio album este intitulat ST 01 Now este o combinație între "S" din SS501,"T" din Triple S, and "01 NOW" care, atunci când sunt combinate, înseamnă "SS501 and Triple S united as one from now until forever.