JYP Entertainment–signed girl group NiziU ramped up excitement for their Sept. 28 comeback in Korea after receiving gold disc platinum certification from the Recording Industry Association of Japan.

According to a statement on the Recording Industry Association of Japan's official website on the 10th, NiziU's second Japanese EP 'GOOD GIRL BUT NOT FOR YOU', released on April 1, surpassed cumulative shipments of 250,000 copies and proudly landed on the platinum certification list. With the title track "Too Bad", which conveys a bold, self-directed mood of carving out the future, the group received great love from local listeners and through this achievement once again proved their solid global standing.

The hot momentum in Japan carries straight into their upcoming Korean comeback. NiziU will officially release their first Korean mini album Sour Grapes at 6 p.m. on Sept. 28. This is their welcome new release about a year and a half after the second single LOVE LINE, released in March 2025.

The agency opened prologue films, mood posters, a promotion scheduler and a digital cover featuring abundant grape clusters and star designs in succession on its official social media, launching full-scale promotion.

Having shown their signature bright and lovely energy on previously released Korean albums, NiziU's varied charms, newly presented with the cool autumn breeze, are drawing anticipation from music fans.

[Photo] JYP Entertainment, Sony Music Labels Inc.

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