NiziU has unveiled a vibrant teaser for their upcoming single 'Sour Grapes,' signaling the group's return to music. The teaser, which dropped recently, showcases the colorful aesthetic and visual direction the group is taking for this release.

The imagery hints at a fresh, eye-catching concept that aligns with NiziU's history of bold visual presentations. Known for their strong choreography and polished performances, the group has built a dedicated fanbase since their 2020 debut under JYP Entertainment.

'Sour Grapes' will add to NiziU's growing discography, which has included hits like 'Take a picture' and 'Heartbeat.' The group has consistently balanced Korean and Japanese releases, appealing to audiences across Asia and beyond. Each comeback typically brings refined production, compelling vocal performances, and dance-focused arrangements that have become signatures of the group's sound.

With this teaser now public, fans can expect more details about the single's release date and music video in the coming weeks. NiziU's releases have typically generated strong engagement on music charts and streaming platforms, and 'Sour Grapes' is likely to follow suit.

The comeback reinforces NiziU's position as one of the more visible international girl groups in the Japanese and Korean markets. Their ability to maintain momentum between releases while keeping their fanbase engaged has made each new single a notable event in the idol calendar.