Discover the story of the song > Nan ? Si ? – Stupeflip

The protagonist used to think the world belonged to him and his partner, but now he feels like he has nothing. He buried his feelings for her deep in his heart, but they still hurt like a pacemaker. He wonders if she thinks of him while she's with someone else, but he won't blame her. The memories make him sad, but he tries to move on.