Following the release of concept photos and a video teaser earlier this week, X-5 has revealed a music video preview for their impending comeback mini-album, "Dangerous"! While the batch of photos was themed with a classic feel and the previous video exuded an edgy vibe, the new MV teaser combines the two to create a sexy yet sophisticated concept. Check it out below: Stay tuned for X-5's comeback, scheduled for December 8th this week.