It's Naho's second year in high school, and she receives a letter from hersel...
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Season 1 Episode 5: Letter 05
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 at the school...