Nocturne No. 19 Op. 72 No. 1 E Minor

(Male reader x OC Nanaka Kobayashi) Nanaka Kobayashi, a girl who loves music. One fateful day you see her in a music store near your home. What began after you she started playing the piano that day will never be explained. What happens when a song changes you? Or in other words, what happens when the singer changes...