Kakeru enters the soccer club as a provisional member, just as the letter says. When the topic of lunches comes up after practice, Kakeru jokingly asks Naho to make lunch for him as well. Naho finds herself bewildered by his words, but feels pushed to act by the letter from herself 10 years in the future, which tells Naho that she wishes she had made lunch for Kakeru.
Sorry for making you wait so long.
.آسف على جعلك تنتظر
Sorry, dass ich dich
warten ließ.
Siento haberte hecho esperar.
Siento haberte hecho esperar.
Désolé, je t’ai fait attendre.
Scusa se ti ho fatto aspettare.
Ah, me desculpe por 
ter feito você esperar.
Прости, что заставил ждать.