- Successful completion of ZEPP TOUR in Japan before debut, confirmation of TOKYO ARIAKE ARENA. A newcomer receiving attention from both Korea and Japan
- 'Wherever you are, we are always connected'
- n.SSign's music that expresses infinite possibilities by being connected like a constellation
- n.SSign expanding into COSMO (universe) n.SSign)'s worldview, its first starting point,

PRE-DEBUT, and successfully completed the ZEPP TOUR, threw a ticket into the K-POP market with their official debut.
n.SSign is an abbreviation of 'net of Star Sign', under the aspiration that 'a constellation, the connection of stars, is made up of one shape, but the connection of constellations can expand into the infinite universe'. .SSign and fans can exert greater power through mutual connection' in the name.
n.SSign's pre-released song 'Higher', which depicts n.SSign's strong will to transcend reality and move toward a higher place with connected power, leads with an addictive chorus on an intense trap beat. 'Wormhole: New Track', a debut song that stands out, contains n.SSign's huge ambition to go beyond the best and become a new paradigm, and imprint n.SSign through powerful performances and visuals. sleep In addition, 'SPICE', a confession song with sweet lyrics and a catchy melody, 'Melody' with lyrical lyrics containing fresh feelings for the person you like, and 'Home', a song that touches the heart with a fresh but sincere voice, n. This is the debut album of SSign's various charms.
For n.SSign, who made their official debut, the path they have walked so far has become a stepping stone, declaring that they want to share their future with fans, and are equipped with both popularity and artistry befitting [n.SSign DEBUT ALBUM : BIRTH OF COSMO]. We will become one with music fans all over the world.

01. Higher
The pre-released song 'Higher', which announces the start of 'n.SSign DEBUT ALBUM : BIRTH OF COSMO', is an alternative R&B genre song that tells the story of the members who finally achieved their dream of debut through meeting beyond time and space. On top of the dreamy bass, synth, and rough distortion guitar that decorates the track's finale, n.SSign's vocals stand out. The introductory narration reminiscent of a walkie-talkie signifies the discovery of a new world through debut, and as in the lyrics 'We transcend higher', 'We transcend reality' and reach a higher place. It depicts n.SSign's strong will to move forward.

02. Wormhole (New Track)
The title song 'Wormhole: New Track' is a song that stands out with an addictive chorus on top of an intense trap beat. contained aspirations. Through unique sounds added throughout the song, such as the spring sound that decorates the intro and the clown effect sound, 'New Track' that only n.SSign can digest. Like the album title 'n.SSign DEBUT ALBUM : BIRTH OF COSMO', 'Wormhole: New Track)' will be a song like a gunshot announcing the birth of a fandom that has been waiting for their debut and their departure to a wide world.

03.SPICE
'SPICE', which stands out with cheerful piano sounds and rhythmic bass, is a medium-tempo pop dance genre. It is a track with a plain and clean band sound and a catchy melody that you cannot forget once you hear it, a confession expressed by n.SSign's vocals. It is a song. The lyrics express the image of n.SSign (Ensign), which can only be completed with 'COSMO', in the lyrics. Through sweet lyrics such as 'Cause you spice it up light it up' and 'What would it be if this wasn't love', it connects 'Woo Woo (Does this make sense?)', 'Salty', and 'BOUNCE!' Joined n.SSign's confession song series.

04. Melody
'Melody' is a synth-pop genre song with energetic drums and bouncing synth sounds. The lyrical lyrics containing fresh feelings for the person you like add warmth, and the straightforward lyrics, "I want to stay by your side," in particular, give listeners a light thrill. n.SSign's unique freshness, warm lyrics, and nostalgic sound were brought together to capture all of their different charms.

05. Home
The song contains the boy's desire to move forward resolutely, remembering the arms of his family he misses even when he feels tired in the process of growing up. Emotional EP, fresh but heartfelt n.