Up until now, Naho had been doing everything the letter from the future had told her to do, but is the letter always right? The letter from the future asks Naho to make sure Kakeru doesn't run the relay race at the athletic festival, but what does Naho decide to do?
But I figured you'd never 
believe me, even if I told you.
.ولكنّي اعتقدت أنّكما لن تصدقاني حتّى لو أخبرتكما
Ich dachte mir nur, dass
ihr mir eh nicht glauben würdet.
Même si je vous le disais, 
vous ne me croiriez pas.
Ma non penso mi credereste mai, ecco.
Acho que mesmo contando, 
vocês não acreditariam...
Но подумал, что вы
не поверите, если я расскажу.