CORTIS has officially cemented their status as 2025's hottest rookie group.

According to Hanteo Chart, the group's debut EP COLOR OUTSIDE THE LINES has surpassed 500,000 cumulative sales as of September 23. The album initially recorded 436,367 copies in its first week, and sales have continued to rise, showing steady fandom growth.

The group's live stages have played a key role in boosting sales. Performing not only the title track What You Want but also other songs from the album, CORTIS earned praise for their strong vocals and self-produced choreography. Their dynamic performances, paired with a viral dance challenge, helped push the group onto major charts including Billboard and Melon Daily.

Industry watchers note that the group's ability to produce their own music and visuals is resonating with fans worldwide.

Meanwhile, CORTIS—BigHit Music's first new group in six years—consists of members Martin, James, Juhun, Sunghyun, and Gunho.