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.
If you're ever able to go back 
to the past, try to study more.
.حاول الدراسة بجدٍّ أكبر إن حصل وعدت إلى الماضي
Lern bitte einfach mehr,
Si logras volver al pasado, estudia más.
Si logras volver al pasado, estudia más.
Si tu pouvais remonter le temps,
Se riesci a tornare nel passato, 
cerca di studiare di più.
Se conseguir voltar para o passado 
algum dia, trate de estudar mais.
Если вдруг научишься путешествовать
во времени — учись лучше.