Any System

This is a casual world created by the author. At least the author writes it casually. The system is casual and happiness is casual. That's it for the introduction. . . . I originally wanted to make the introduction just like this, but the system said the number of words was too short, which was a bit embarrassing. But I don't know how to write or what to write. This is very uncomfortable, what should I do? Thinking of a way. . . Thinking of a way. . . Enough -_- Perfect introduction. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.