Discover the story of the song > Back 2 U – NCT 127

The protagonist is not able to let go of his past relationship with his partner, and in the hope of regaining what they had he is running back to her. He feels regretful for leaving her alone and getting lost in his own way. The memories of his time with her are the only thing that make him feel whole, and even though he knows he may be causing her pain he can't help but want her back.