Seventeen continues getting ready for their upcoming 9th mini-album, 'Attacca,' as they drop more teaser content.

Previously, the popular boy group has been getting ready as they released various sets of group teaser photos. All thirteen members display a more mature masculine side to their charms for this upcoming album in these released teaser photos.

On October 14 at midnight KST, Seventeen dropped an album preview clip showing what the physical album looks like. Through this video, the detailed composition of the album was shown.

Meanwhile, Seventeen's 9th mini-album 'Attacca' is set to drop on October 22 at 12 AM EST. Check out the teasers above and below, and don't miss out on more teasers to come!