Is adult content an investable sector, or is there no clean public-market exposure?

I was thinking about the idea of investing within your circle of competence, and it led me to a strange but serious question. Adult content is clearly a large online market. Subscription platforms, creator monetization, payment processing, AI-generated media, personalization, and direct-to-consumer content all seem like areas that could keep growing. But from a public-market perspective, there doesn’t seem to be a clean way to invest in the sector. OnlyFans is private. Many of the largest adult-