With a total number of 259,274,828 visitors so far, this site is unique. When you come to Gelbooru, you see something like a standard search engine, but don’t be fooled. It’s just a search bar of the site. All you need to do is just to type in your inquiry, for example, sex. The system will find all the best hentai pics that show anything sexy and bring them to you! The pics are absolutely free to enjoy them online and to download to your computer. Also, this site has a nice forum which is not very crowded yet, but giving you the opportunity to ask anything you want, share your favorite anime, manga and hentai with the like-minded people, and make new friends. Gelbooru is def an interesting place. It is a search engine that will deliver you their own materials as the response, created for adult comics and hentai materials. They survive by using Patreon and, if you are in the mood of supporting their concept, go ahead and do it. When you load the homepage, you will see the search function and the tab Posts. This means that, if you enter a keyword, you will see everything they have in their archive specific for your term. You will get comments for different updates, a forum and a Wikipedia section. You can access 90 % of Gelbooru without an account, but if you will sign up, you will get an extra bit of functionality.