Pledis Entertainment dropped a new concept trailer clip for the popular boy group Seventeen in preparation for their upcoming ninth mini-album 'Attacca.'

As previously revealed through their scheduler teaser, Seventeen officially kicked off their comeback promotion with a concept trailer on September 29 at midnight KST. In this latest concept trailer, each member displayed their boyish yet manly charms with stunning visuals that will sweep fans off their feet. 

As announced, the boy group has already surpassed 1.4 million copies of pre-orders sold for their 9th mini-album in just one day. 

Seventeen's new album will drop on October 22 at 1 PM KST / 0 AM ET, so stay tuned for more teasers to come before then!