Five years had already passed since Kaori died. Arima Kousei is now a successful pianist who studies music and plays piano in the United States along with his piano mentor, Seto Hiroko and father, Arima Takahiko. He also plays his piano in so many music recitals and concerts and he became a huge Japanese Star in the US but in the midst of his success in Entertainment Industry, he suddenly gets a deadly disease. How will he cope up with living after he learns that he is diagnosed with Brain Cancer? Will he be able to survive? *Tsubaki x Kousei *Warning: Lots of OCs. Mostly, medical personnel.