44 songs 8 albums
THE SECOND STEP : CHAPTER TWO
THE SECOND STEP : CHAPTER ONE -JP ver.-
THE SECOND STEP : CHAPTER ONE
THE FIRST STEP : TREASURE EFFECT (Japan Ver.)
THE FIRST STEP: TREASURE EFFECT
THE FIRST STEP : CHAPTER THREE
THE FIRST STEP: CHAPTER TWO
THE FIRST STEP: CHAPTER ONE