[ WP ] You have the ability to hear BGMs and one day the most sinister BGM you 've ever heard starts playing .

I walked out of the university building, something relaxing and jazzy playing inside my head. Music accompanied me for as long as I remember myself, and it usually fit whatever situation I was in so well that I barely registered it. It was n't quite inconvenient, but my friends noted that I was uncannily responsive to the subtle mood swings, or that I almost seemed to predict some events as they happened. They wrote it off on intuition. 
 
 I was approaching the subway station as the jazz faded out. I paid it no attention. A hub theme was probably about to kick in. My personal playlist often prioritized tracks I've heard before - in movies or videogames, *especially* videogames. Undertale OST has managed to sear itself into my brain before I dropped the game for good. But instead of a chiptune beat, I heard [ low, ominous piano ] ( https: //www.youtube.com/watch? v=Xy_-7OXophY ). 
 
 It took me a moment to recognise the track. It took me another to remember *what* exactly did the track accompany in the game I've picked it up from. By the time the air sirens drowned out everything, including my internal music, I was already breaking into a dash for the subway. They always said subway stations could withstand a nuke. Well, here's a chance to find out...
