OK PROLOGUE _ BE OK by CIX (씨아이엑스) has sold 103,885 copies in Korea.
OK PROLOGUE _ BE OK certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Korea |
103,885 | RIAK / Gaon charts | January 2022 |
Korea Sales: 103,885
Certification / note: RIAK / Gaon charts
Certification Date / sales as of: January 2022
|
| Total sales | 103,885 | (in 1 country) |
Total
Sales: 103,885
(in 1 country)
|