The letter from the future details the regret felt by everyone for being unable to celebrate Kakeru's birthday. As such, high school Naho and the gang pester Kakeru about what he wants until the big day. On the other hand, 26 year-old Naho and the gang gather at the late Kakeru's grandmother's house to celebrate his birthday, like they had promised in the past.
I could have said something to him...
...قلت له شيئًا ما
irgendwas gesagt hätte, was ihm hilft?
si seulement 
j’avais trouvé les mots.
fossi riuscita a dirgli qualcosa...
eu tivesse conseguido dizer algo...
смогла ему что-то сказать...