"Who Are You? I'm Who I am!" 사랑, 이별 노래가 아닌 후아유가 어떤 사람인지를 얘기하는 타이틀 곡 'Who Are You'부터 전곡 프로듀싱 및 작사, 작곡에 참여하여 후아유만의 감성을 가득 담아낸 앨범이다. 01. Who Are You Lyrics by 후아유, 이아람 Composed by 이아람, Cozy of SundayMoon Arranged by Cozy of SundayMoon Guitar Cozy of SundayMoon Midi Programming Cozy of SundayMoon Chorus 후아유, 이아람 02. 사랑이란 말로는 부족한 것 같아 Lyrics by 윤희원 Composed by 윤희원, 지우근 Arranged by 지우근 Guitar, Keyboard 지우근 Midi Programming 지우근 03. Love Letter Lyrics by 후아유, 윤희원 Composed by 후아유, 윤희원, 지우근 Arranged by 지우근 Guitar 지우근 Midi programming 지우근 04. Only One Lyrics by 후아유, 윤희원 Composed by 후아유, 윤희원, 지우근 Arranged by 지우근 Guitar 지우근 Produced by 후아유 Mixed by 김보종, 김상범 (omgsound) Mastered by 신수민 (SONICKOREA) Additional Editor 박상협, 임연주 Vocal directing by 윤희원, 이아람 Photographed by Jinveun PUBLISHED BY BISCUIT SOUND