r/hentai is a subreddit community on the social media platform Reddit that is dedicated to hentai, which is a style of Japanese anime and manga that is known for its explicit sexual content. The subreddit contains a collection of hentai images, videos, and discussions related to this genre, often featuring NSFW content. Hentai can cover a wide range of genres, including straight, lesbian, gay, BDSM, and more, and can be based on existing anime, manga, or video game franchises, or they can be original stories. The subreddit focuses on discussions, sharing, and appreciation of hentai, as well as providing a platform for creators to showcase their work.