The group NiziU strengthened their bond with fans by releasing a special behind-the-scenes video celebrating their 5th debut anniversary.

On the 10th, NiziU's official Twitter (X) channel posted a photo with the caption, "NiziU OFFICIAL FANCLUB 'WithU' 'WithU MOBILE' MOVIE updated! NiziU 5th Anniversary Special with U Behind The Scenes."

In the released photo, member NINA and another member are seen making a "promise pose" by hooking fingers toward their fans. NINA's mysterious blonde look harmonizes with the other member's radiant smile and mature red hairstyle, creating a heartwarming chemistry. In particular, the caption "Promise! (約束！)" at the bottom conveys the members' sincere heart to stay with their fans in the future, adding a touching element.

The newly updated video is a behind-the-scenes story featuring the production process of NiziU's 5th-anniversary special content, exclusively released for members of the official fan clubs 'WithU' and 'WithU MOBILE.' The video captures the members' sincere interviews and the lively atmosphere of the filming site, serving as a great gift for fans.

Fans who heard the news sent passionate messages of celebration and support, such as "Happy 5th anniversary, let's stay together forever," "NINA and RIMA's visual combination is fantastic," "Running to watch the behind-the-scenes video right now," and "I won't forget our promise."

Meanwhile, NiziU is solidifying its position as a "global trend" girl group by actively communicating with fans worldwide through various global activities and fan events.