The soundtrack 밀회 OST has sold 0 copies on streaming services.
밀회 OST certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of |
| Total sales | 0 | Album-equivalent unit |
Total
Sales: 0
Album-equivalent unit
|
Year-end chart performance for 밀회 OST
| Chart 2014 | Rank | Sales |
 South Korean International Albums (Gaon) |
43 | 2,584 |
| Chart 2015 | Rank | Sales |
| South Korean International Albums (Gaon) |
83 | 1,034 |
| Chart 2016 | Rank | Sales |
| South Korean International Albums (Gaon) |
92 | 804 |
| Chart 2020 | Rank | Sales |
| South Korean International Albums (Gaon) |
94 | 333 |