When it comes to hentai, a specific genre within adult anime and manga, you may come across terms like "transformation police." This phrase refers to a sub-genre that often involves characters undergoing transformations, sometimes with a police or authority theme in the narrative. The language used within these niches is often rooted in Japanese, as most of the hentai content originates from Japan. However, the dialogue may be translated into English or other languages depending on the audience. The terms and specific language within this context often blend fantasy, fetish, and genre-specific vocabulary to describe the transformations or roles the characters play.

In summary, the language of hentai transformation police is primarily Japanese, but you will find it translated into English for international audiences. It's crucial to explore these themes carefully, as they represent a niche genre within adult entertainment.