Have you read novels? I have.
Have you read otherworldly harem novels? I've read them to death.
Have you read otherworldly gender-bender novels? I'm already out of books to read, okay?
Have you read otherworldly gender-bender romance novels where the protagonist marries? Of course. If you're a yuri fan, you definitely wouldn't click on this.
Have you read a story where an author transmigrates into the otherworldly harem novel he wrote and becomes its heroine? Hahahahaha? I have, but not many.
Can an author who's determined to change the future escape his doomed fate? Who knows.