What if Kousei, Arima never did stop playing the piano even after his mother died, and what if Miyazono, Kaori kept playing the piano passionately and didn't switch into playing the violin? How will they both influence each other this time? What impact will Kaori make in the life of the human metronome as their paths intertwined? The basic question lies somewhere else though, will he ever notice her? Or will she be invincible in his eyes.