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."
I have to change it, no matter what!
!عليّ تغييره، مهما كلّف الأمر
Ich muss sie verändern,
koste es, was es wolle!
Debo cambiarlo a toda costa.
Debo cambiarlo a toda costa.
Je dois absolument 
changer l’avenir !
Devo cambiare il futuro, ad ogni costo!
Preciso mudar de qualquer maneira!
Изменю будущее во что бы то ни стало!