K2C by KOME KOME CLUB (米米CLUB) has sold 800,000 copies in Japan.
K2C certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Japan |
800,000 | 2x Platinum | March 1991 |
Japan Sales: 800,000
Certification / note: 2x Platinum
Certification Date / sales as of: March 1991
|
| Total sales | 800,000 | (in 1 country) |
Total
Sales: 800,000
(in 1 country)
|
Year-end chart performance for K2C
| Chart 1991 | Rank | Sales |
| Japanese Albums (Oricon) 3200 yen edition |
25 | 529,710 |
| Japanese Albums (Oricon) Standard edition |
46 | 377,170 |