Naho can't give her Valentine's Day chocolate to Kakeru. Ever since what happened on New Year's Eve, Kakeru keeps putting distance between Naho and himself. But, through all the hardships, Naho refuses to give up and fully intends to tell Kakeru how she feels. And so, the time comes for everyone to face the fateful day outlined in the letters from the past, "Kakeru's Final Day."
that means there are all kinds 
of different futures, right?
فهذا يعني أنّ هناك أكثر من مستقبل
 بأشياء كثيرة مختلفة، أليس كذلك؟
il existe de multiples futurs, 
c’est ça ?
vuol dire che esisteranno 
tanti futuri diversi, giusto?
isso significa que existe inúmeras 
outras versões de nosso futuro, certo?
значит, существуют и другие
варианты будущего, да?