THE SECOND STEP:CHAPTER ONE by TREASURE (트레저) has sold 797,717 copies in Korea.
THE SECOND STEP:CHAPTER ONE certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Korea |
797,717 | Circle Charts | Year End 2022 |
Korea Sales: 797,717
Certification / note: Circle Charts
Certification Date / sales as of: Year End 2022
|
| Total sales | 797,717 | (in 1 country) |
Total
Sales: 797,717
(in 1 country)
|
Year-end chart performance for THE SECOND STEP:CHAPTER ONE
| Chart 2022 | Rank | Sales |
 Japanese Albums (Oricon) First issue |
48 | 82,630 |
| Japanese Albums (Oricon) Reissue |
55 | 70,143 |
| South Korean Albums (Circle Chart) |
24 | 797,717 |