Either Crossing or on the Way Across

What wonderful things would happen if the protagonist in one novel accidentally traveled to another novel? Due to the mistake of an editor, a mysterious door between the two novels was opened, and people who did not originally belong to the same world met—— Character in the book: Hey~ Don't be impatient after traveling through time. Set a small goal first, and I'll give you the whole world within ten chapters. Everyone outside the book: Bring it back! Break it back for me! Our novel will be serialized! Imagination, plot flow, complaints, and comedy. Are you sure you don't want to take a shot? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.