# NiziU Sets the Date for Their Korean Comeback With a Bold New Trailer for “Sour Grapes”

URL: https://technosports.co.in/niziu-sets-the-date-for-their-korean-comeback/  
Published: 2026-09-07  
Updated: 2026-09-07  
Author: Reetam Bodhak

NiziU fans, mark your calendars — the group has officially confirmed their next Korean release, and the teaser alone is already setting a fierce new tone. On September 7 at midnight KST, NiziU dropped the full details for their upcoming comeback, along with an intense prologue film that hints at a bolder, edgier era ahead.

The group will release their first-ever Korean mini album, titled “Sour Grapes,” on September 28 at 6 p.m. KST. The newly unveiled prologue film leans into dramatic visuals and a moodier atmosphere, signaling a shift from NiziU’s usual bright, upbeat image — a change that has fans buzzing about what direction this era will take.

## NiziU : Comeback Details

| Detail | Information |
| --- | --- |
| Album | Sour Grapes (1st Korean Mini Album) |
| Release Date | September 28, 2026 |
| Release Time | 6 p.m. KST |
| Announcement Date | September 7, 2026 |

NiziU debuted as a joint project between Japanese and Korean entertainment companies, and their continued Korean-market releases reflect the growing cross-border collaboration reshaping the modern [K-pop](https://en.wikipedia.org/wiki/K-pop) landscape.

For more K-pop comeback news and trailer breakdowns, check out [Technosports](https://technosports.co.in) for trending entertainment coverage.

[Video](https://www.youtube.com/embed/KNtFpGxtg_U?feature=oembed)

## FAQs

### **Q1: When does NiziU release “Sour Grapes”?**  

It drops on September 28, 2026, at 6 p.m. KST.

### **Q2: What is “Sour Grapes”?**

  
It’s NiziU’s first-ever Korean-language mini album.