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.
Even though he's no longer with us.
.رغم أنّه لم يعد معنا
Und das, obwohl
er nicht mehr da ist.
Pese a que él ya no está…
Pese a que él ya no está…
Bien qu’il ne soit plus là…
Kakeru ormai non c'è più.
Mesmo o Kakeru não 
estando mais entre nós,
Хотя его больше нет с нами...