NiziU to release first mini album ‘Sour Grapes’ on September 28… Promotion schedule revealed

Girl group NiziU will make their comeback by releasing their first Korean mini album ‘Sour Grapes’ on September 28 at 6 PM. The agency released a scheduler image containing the promotion schedule for the new album through its official SNS channels.

According to the released schedule, starting with the online cover reveal on the 10th, concept photos will be unveiled from the 11th to the 13th, followed by an album detail preview on the 14th and a tracklist on the 15th. Subsequently, concept films are scheduled to be released on the 16th and 17th, and a highlight medley will be released on the 24th. The 18th, 21st–23rd, and 27th are marked with question marks, piquing the curiosity of fans.

This comeback comes approximately one year and six months after their 2nd single ‘LOVE LINE’ in March 2025. NiziU has proven its local influence by releasing their 2nd EP and first best album in Japan in 2026 and successfully completing arena and dome tours. Attention is focused on NiziU's future activities as they continue their domestic activities through this new album inspired by Aesop's Fables.

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