If you are aware of the concept of something, and you want to write a story about it, you are old enough to write a story about it.

It is evil to tell a child who knows a concept exists that they are not allowed to think about it or create fiction about it.

Kids playing with barbies make up stories about cults and rape and pregnancy and incest all the time.

14 year olds have been writing anime character hooker AUs since the early 2000s.

If you know what it is, you’re allowed to write about it. Period.