NiziU is a Japanese girl group formed by JYP Entertainment in 2020 with members Mako, Rio, Maya, Riku, Ayaka, Mayuka, Rima, Miihi, and Nina, the group has sold more than 798K physical copies in Japan.
Here is a summary of their sales in the country.
Japanese Discography: 798,252 copies sold
Step and a step
Format: 1st Single
Release Date: December 2nd, 2020
Certification: Platinum by RIAJ
1st Week Sales (Oricon): 311,774 copies soldTotal Sales in Japan (Oricon): 433,975 copies sold
Take a picture/Poppin' Shakin'
Format: 2nd Single
Release Date: April 7th, 2021
Certification: Platinum by RIAJ1st Week Sales (Oricon): 317,324 copies sold
Total Sales in Japan (Oricon): 364,277 copies sold