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.
Sender: Hiroshi
Subject: Kakeru, I forgot
When we meet up on the 22nd,
is the usual station okay?
المُرسل: هيروشي
الموضوع: نسيت متى نلتقي
 عند الثاني والعشرون يا كاكيرو
ألا بأس بالمحطّة المعتادة؟
Treffen wir uns am
22. wie immer vor
dem Bahnhof?
De: Hiroshi
Asunto: No lo olvides, Kakeru
El día 22 nos vemos frente a la estación,
como siempre
De: Hiroshi
Asunto: No lo olvides, Kakeru
El día 22 nos vemos frente a la estación,
como siempre
De : Hiroshi 
Le 22, on se retrouve comme d’hab devant la gare ?
Mittente: Hiroshi

Oggetto: Kakeru, ricordatene

Il 22 ci vediamo davanti
alla solita stazione, che dici?
De: Hiroshi
Assunto: Não se esqueça, Kakeru

No dia 22, podemos nos encontrar
na frente da mesma estação de sempre?
От: Хироси
Тема: Какэру, я забыл
Встречаемся 22-го на
нашей станции, хорошо?