Kakeru gives Naho a hairpin. And on the weekend, Kakeru invites Naho to study with him for the upcoming exams. As the pair begin to grow closer together, Naho gets up the courage to invite Kakeru to see the fireworks together with her at the end of the school festival.
or even to create the time machine.
.أو حتّى صنع آلةٍ للزمن
eine Zeitmaschine zu bauen.
voyager dans le temps 
deviendrait inutile.
l'esigenza di viaggiare nel tempo, 
o di creare una macchina per farlo.
vontade de ir ao passado, tampouco;
 de criar uma máquina do tempo.
ни даже делать эту машину времени.