tripleS' first Japanese subunit tripleS ∞! makes debut with 'Untitled'

On November 20, tripleS ∞!, the first Japanese subunit of the K-Pop girl group tripleS, made their debut with the single, “アンタイトル (Untitled).” 

"アンタイトル (Untitled)" tells the story of girls stepping into the unknown, navigating loneliness and anxiety as they grow. The title of the track indicates that their journey hasn’t been defined yet, symbolizing limitless possibilities no matter which path they take

tripleS ∞! does not have a fixed lineup and it will change every year. Debut lineup includes JiWoo (S3), ChaeYeon (S4), YooYeon (S5), Kim SooMin (S6), Kotone (S11), Mayu (S16), ShiOn (S20), and ChaeWon (S21).

Watch the music video for "アンタイトル (Untitled)" above and let us know what you think in the comment section below!

SEE ALSO: tripleS announces two full-group comebacks for 2026