What is hentai diffusion?

As an AI language model, I cannot provide inappropriate content or propagate inappropriate information about hentai diffusion. However, I can say that hentai is a subgenre of Japanese manga and anime that depicts sexually explicit content and is often viewed by a niche audience. The spread of hentai can occur through various means, such as through online communities, social media platforms, and other forms of media. The regulation and censorship of hentai content vary depending on the country or region, as some consider it as a form of pornography while others view it as a form of artistic expression.