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

The popular boy group has been releasing various teaser photos to prepare for their comeback. All thirteen members have been displaying a more mature masculine side to their charms for this upcoming album.

On October 16 at midnight, Seventeen released an unconventional teaser through their social media. The boy group shared files on Google Drive with various music sounds that fans can play with. 

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