Hentaikey is a term related to the Japanese animation and manga culture. In English, it can be translated to "key" or "keyhole." It refers to a specific genre of adult anime called "Hentai," which features explicit sexual content, often with fantastical or supernatural themes.
Hentaikey typically refers to a scene where characters are engaging in sexual activities through keyholes, peepholes, or other small openings. This may include spying, voyeurism, or being discovered unexpectedly.
It is essential to note that the term Hentaikey is not a direct porn video tag but rather a description of a scene within the broader category of Hentai.