4張套裝。 1st MINI ALBUM THE SECOND STEP:CHAPTER ONE 2nd MINI ALBUM THE SECOND STEP:CHAPTER TWO 1ST ALBUM THE FIRST STEP:TREASURE EFFECT JAPAN ARENA TOUR 2022-23 將以硬紙板加固和防水措施發貨。 如需硬質卡套(+50日元)，請留言告知。