The distant future, the environment of the earth was harsh.
A highly developed AI has created a Mecha adapted to its natural environment.
The Mecha was designed with reference to living things.
From living creatures that have survived since ancient times, we can learn a lot.
The goldfish is a freshwater fish in the family Cyprinidae of order Cypriniformes.
It is one of the most commonly kept aquarium fish.
There are white and a silver goldfish in Japan and China as well as red.
The goldfish is considered to be a lucky fish.