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 should have known there were no do-overs.
.كان ينبغي عليّ معرفة أنّه لا يمكن إعادة فعل شيء
Dabei wusste ich, dass es
keinen weiteren Versuch gibt …
No podemos volver atrás.
No podemos volver atrás.
C’était notre seule chance 
de le faire.
Non abbiamo una seconda possibilità.
Nunca mais poderemos
 viver o passado!
Я же знала, что всё изменить не выйдет.