unconventional

adj

1. Not adhering to custom, convention, or accepted standards.
2. Out of the ordinary.
3. Atypical.

   “The other two banned titles are The White Swan Express: A Story About Adoption, which features a lesbian couple, and Who’s In My Family: All About Our Families, which describes unconventional parental set-ups.”

noun

1. Something or someone that is unconventional.