Rio of the group NiziU has captivated the hearts of global fans with her blossoming beauty.

On the 3rd, a video titled "[#NiziU_BDay] “UNTITLED VOL.01” Visual Teaser" was posted on NiziU's official YouTube channel.

In the released video, Rio creates a mysterious atmosphere by a window bathed in warm sunlight. In particular, she matched her pink hairstyle with a black fur hat and a white tweed jacket, completing an elegant yet lovely "Winter Fairy" visual. As the screen switches between black and white and color, illuminating Rio's colorful charms, the phrase "The Day of RIO" appears at the end of the video, amplifying curiosity about this project.

Meanwhile, NiziU will release their second Japanese EP 'Too Bad' on April 1st. Prior to the EP release, NiziU will heat up the atmosphere with a 5-city arena tour in Japan, 'NiziU Live with U 2026 “NEW EvoNUtion”'. Starting with Aichi on February 14-15, they are scheduled to meet audiences with a total of 12 shows in Hokkaido on the 27-28, Osaka on March 7-8, Tokyo on the 18-19 and 21-22, and Fukuoka on the 28-29.