It’s the spring of Naho’s second year in high school, and Naho receives a letter from herself, 10 years in the future. The letter accurately depicts what’s about to happen, including details on a transfer student from Tokyo, Kakeru Naruse, who ends up sitting beside her in class. On top of that, the letter also begs Naho not to invite Kakeru out with her group of friends on that day alone, but why?
I know what today's diary entry will be about.
.أعلم عمّا سأكتب في مذكّرتي اليوم
Ich weiß schon, was ich
ins Tagebuch schreiben werde.
Ya sé qué escribiré hoy en mi diario.
Ya sé qué escribiré hoy en mi diario.
Je sais quoi écrire 
dans mon journal, ce soir.
So già cosa scriverò oggi sul diario.
Já decidi o que vou 
escrever no diário hoje.
Вот с чего начну сегодняшнюю
запись в дневнике: