/lit/ - Literature

Is there any metafictional fantasy? Stuff that actually dicks around with the genre? Maybe something where some of the characters are aware that they're in a book like Undertale?

>final submission for creative writing workshop
>submitting fantasy because I'm a nerd loser pleb
>professor tells me that he thinks my work is "too serious"
>"Every fantasy story has comic relief to break the tension!"
>said my work would benefit greatly from someone a bit less serious / comical
What do you think, /lit/? Is fantasy supposed to always have someone to lighten the tension?