The World Has Turned Around, and I Can Travel Freely and Just Want to Live

A high school student who originally lived an ordinary life accidentally discovered that the world is not as simple as it seems after suffering a series of bizarre events... A mysterious object suddenly appeared in the sky, Strange creatures appear and disappear in the water, There is also a mysterious person who can roll fireballs with his hands … In short, when the world situation changes, let's see how our protagonist makes a comeback and lives his own life. (As a reminder, the first few chapters are relatively abstract, so don't read them if you don't like them)