They are two monsters who lost their homeland in the catastrophe. In order to survive, they came to live in the city and went their separate ways. One still has hope and is looking for a way to change the status quo, while touching and changing the people or monsters around him. One of them has already fallen into despair. Their story is like a mirage. Is it so beautiful that it's almost unreal, or is it so terrifying that you wish it was an illusion?