I Can Modify World Settings

This is a strange world with many races. Maybe you can see this strange situation: Dwarves and elves live in harmony and become husband and wife; Giants and dragons become close friends... These strange phenomena all happened at the same time at a certain moment At this time, the male protagonist thought to himself: Why is the setting gradually becoming strange? This is not what I want to change. PS: This is a story about an unreliable modifier and a funny man.