The boys of�The Boss will be making a Korean comeback this year! To gear up anticipation for their upcoming comeback, the group has just unveiled the teaser video!

The teaser depicts a scene that takes place inside of a train, and has fans wondering what the song will be about.

Stay tuned for the release of their 1st official album, 'Shadow', on April 17th.

Meanwhile, check out the teaser below!


Thanks to everyone who sent this in!