NINE.i (나인아이) is a 10-member boy group under FirstOne Entertainment. They debuted on March 30, 2022, with the mini album New World. Their name stands for 'EVERYDAY NEW i.'

'Ⅰ (Part.1)' is the second mini album by NINE.i. It was released on November 8, 2022, with "Young Boy" serving as the album's title track.

On July 16, 2023, they announced their 3rd mini album titled 'New Mind' will be released on August 3, 2023, at 12pm KST. This comeback will not feature member Winnie as it has been announced he went on hiatus for medical reasons. The comeback comes eight months after 'I (Part.1).'

On July 18, 2023, they dropped their first set of concept photos, this being the 'On Version'. The boys look stunning as they show off a different side of them compared to previous releases. Check out the concept photos below!