When I saw engine room, there is green object.

"What is this ? ... This is not an alien, is it ?"

It's green coolant. This is perhaps swelling, cause of coolant freezed.

"On this travel, I will buy more low freezing point one."

So, I started engine. It's not already freezing point. The coolant melted immediately. I am going to visit Gozen Yama village, Daigo town of Ibaraki Prefecture and Tsukimachi fall.