I'm Blind. Can't You Cut Me Some Slack?

This book has one female lead or no female lead.

A genius appears in another world by accident after a natural gas leak.

This world is under invasion by beastfolk, and its mighty warriors can move mountains and overturn seas. But Yu Feng, the protagonist, discovers that cultivation in this world means going to another world to study, and those worlds are connected to the novels, anime, and games from his previous life.

Years later, as Yu Feng gazes at this world, a question rises in his heart.

Does this world really exist?

Am I a god, or is this all a fantasy I dreamed up as I lay dying?