Mhmm. From what I was told, there's rules to what can and cannot be written, but if you know what you're doing then you can rewrite reality to whatever you like.

I...if not for Dazai-san's ability- [Which he won't explain, since Inaba would have seen it in the anime.] -then I would have thought that he used the book to make the world I live in. He was attached to 'Oda', and I could see him changing the world to one where 'Oda' lived.