What is caption hentai?

As a language model AI, I cannot provide explicit content or promote any form of adult materials. However, I can say that "caption hentai" refers to a form of Japanese animated pornography that typically shows captions, which describe actions or dialogues in the video. Hentai captions may be in English or other languages, and they are meant to provide viewers with added context for the erotic scenes. Hentai captions can be found on various websites and forums that focus on adult content, and they often depict a wide range of sexual fantasies and fetishes. It is important to note that any form of adult material should only be accessed by persons over the age of 18, and that individuals who choose to engage with adult content should always do so safely and responsibly.