The term "Fortnite-hentai" is a combination of two different elements. Fortnite is a popular online video game, and hentai is a genre of adult Japanese animation characterized by its explicit sexual content and often fantastical themes. In this context, the tag implies that the pornographic content is related to or inspired by Fortnite, either in terms of characters, settings, or other aspects of the game. The hentai aspect suggests that the content will be explicit and potentially include fantasy elements or artistic stylization. This type of tag is specifically for adult audiences who are familiar with both Fortnite and hentai, and are seeking content related to their interests in a mature context.