henmere almost 7 years ago Pixiv title: 「う」のつく食べ物を食べて元気になろう (Let's eat dishes that had the letter "U" in order to survive the summer heat!)References: Health Hokkaido: Beef Saturday- The Origin of Eel Day Wikipedia: Unagi And, this year... The Straits Times: Japanese Eel faces bleak future GREATFOOD: The Reason Behind Eel Price Increasing Every Summer Esquire: The End of Unagi - Why You Shouldn't Eat Unagi Sushi