Researchers have found that representations of step-relationships in porn titles were actually less common than depictions of blood relationships, with the majority of incest-themed titles describing sexual activity between immediate family members.
(Vera-Gray, McGlynn, Kureshi, & Butterby, 2021)
- Vera-Gray, F., McGlynn, C., Kureshi, I., & Butterby, K. (2021). Sexual violence as a sexual script in mainstream online pornography. The British Journal of Criminology, doi:10.1093/bjc/azab035