The Boss�is finally back with a domestic comeback under their new agency, putting their past hardship behind to move forward with the release of their second mini album!

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The boys have dropped not only their title track �"Why Goodbye" but also its accompanying MV.

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Like revealed through their MV�behind-the-scenes photos�and MV teaser, the boys go for a very chic black-and-white vibe in this full video as they sing about the pains associated with breakups.