News of the surprise release of Bonekdo's trainee days video

Videos of the Boy Next Door members' trainee days

I just wanted to let you know that we revealed it as a surprise haha

The unreleased footage from their trainee days includes the production process of this album and

Scenes of the members' end-of-month evaluations and other previously unreleased content

There were so many videos included, and watching them was a bit touching? Or maybe heartwarming? ㅠㅠ