日本人の生活（せいかつ）:Life of Japanese It’s the day to eat an eel today!! ~What is “Doyou-no-ushi-no-hi”?~
Do you know the fish named "Unagi" in Japanese?
In Japan, there is the custom to take an eel on "Doyou-no-ushi-no-hi", but why do we do that?