So, I was quite pleased with myself. I thought wow, I've tracked this one, I know how they come here. Then I scratched my head a bit, and that's okay, I know how they come here, but why do they come here?
「わぁ　トンボがここに来る方法を遂に突き止めたぞ」と思い 嬉しくなりました　次に頭を少し掻いて まぁそれはいいんですが 方法はわかりましたが 理由はなんなのでしょうか?