There is a type of people in the world whose only criterion for survival is to only do things that are beneficial to themselves.
They are collectively called In Me.
There is also a type of people in the world who live to fight and will fight until death. Guarding everything tenaciously.
They are collectively called Doomsday.
Between me and the death of the sky, the two extremes of the world, how difficult it is to change them.
This article tells a story about changes in mood. I hope you will like it.
Introduction is incompetent.