Standing at the milestone of their 10th debut anniversary, SF9 has released a trailer video ahead of the release of their 2nd full-length album 'TENACITY,' officially kicking off their comeback countdown. Building on the solid skills and unity they have cultivated over the past decade, the group is preparing for yet another leap forward.

This new release encapsulates their determination to overcome the limits they faced on their relentless journey toward their dreams and to move forward once again. The released trailer begins with the members' narration, depicting moments of setbacks and confusion. It then unfolds in a twist structure where they break down the walls they built themselves and confirm their growth, captivating viewers' attention.

Notably, the phrase 'I'm a bird Without Wings,' presented at the end of the video, delivers a powerful message that they will inevitably soar again, even without complete wings. The phrase is significant in that it hints at the narrative running through the entire album.

Above all, this 2nd full-length album holds added meaning in that it fully captures SF9's unwavering team chemistry and more matured charm as they celebrate the 10th anniversary of their debut. The teamwork strengthened over their long ten-year run, along with their musical depth, forms the foundation of this album.

SF9's 2nd full-length album 'TENACITY' consists of a total of 10 tracks, including the title track 'Without Wings.' The album will be released on August 26 at 6 PM through various music streaming platforms. Attention is focused on the group's next moves as they break through their own limits and open a new chapter.

Meanwhile, SF9 is currently ranked 6th in the Best Group category of the August Netizens Awards. SF9 has consistently performed well in the Netizens Awards over the years.

[This article was written with AI assistance. It is based on publicly available broadcast and performance materials and related information.]