You are my Hero, but sometimes i'll be yours. Wherever you are, whenever you are.[HERO]Lyrics by Suyo, cydComposed by SOQI, Suyo, 손길현Arranged by SOQI, 손길현Keyboard & Synth by 손길현Guitar by 손길현Bass by SOQI, 손길현Drum by SOQIExecutive Producer 김재덕Producer 권빈기Director GRASS, 권주영, 김현민A&R 권주영, 서여경, 조수빈, 김용범Artist Management 한재욱, 정세진, Conflow CompanyPlanning & Marketing 최윤정Media Contents 전옥화Assistant 박다율Vocal Director cydBackground Vocal Making cydRecording STUDIOS Velvet StudioRecording Engineers Lee SangdukDigital Edited cyd, 김준상Mixing Engineers 김준상Mastering Engineers 김준상Design Director 권주영, GRASSPhotographer 권주영Hair Stylist 김국화Make Up 김국화Stylist 권주영, 서여경