If you take Professor Kazuaki, he is bemused that she wouldn't rather go with someone closer to her own age. (Again... most pigeons live about six years.) He is somewhat intimidated by the crowds.
They talk about the chemical reactions that cause fireworks while watching the display, and then Hiyoko hits on him, but it turns out that he has fallen asleep.
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They talk about the chemical reactions that cause fireworks while watching the display, and then Hiyoko hits on him, but it turns out that he has fallen asleep.