RIO, a member of the girl group NiziU, fluttered fans' hearts with a behind-the-scenes video filled with a sensuous mood and dazzling visuals. Recently, a short-form video titled "UNTITLED VOL.01 - RIO Behind the Scenes" was posted on NiziU's official YouTube channel. In the released video, RIO displays a professional side, showcasing various poses and expressions at a photo shoot.

RIO perfectly pulled off a soft pink-toned hairstyle, creating a gentle yet sophisticated atmosphere. By matching a white knit cardigan, she exuded both purity and maturity, showing off her deepened charm. In particular, her deep gaze toward the camera and natural poses drew admiration from viewers, proving her status as a "photo shoot master."

Fans who watched the video gave enthusiastic responses, saying, "RIO's visuals are always at their peak," "The pink hair suits her so well," and "It's a behind-the-scenes clip, but it looks like a final result."

Meanwhile, NiziU, the group to which RIO belongs, is set to continue its global popularity by holding the arena tour "NiziU Live with U 2026 'NEW EvoNUtion,'" starting with a performance in Nagoya on the 14th and touring five Japanese cities.