adult themed joomla website

I need a website designed for adult comic books and illustrated stories. I need the basic theme and layout designed and I can add the text and content myself later. As I know little about website design, what I need is as follows: 1) The theme will need to be minimalist and simple in order to emphasize the content. I will add written content and images as I go along 2) I will need to have a mechanism for users to access PDF comics and download them 4) A news/blog section where visitors can see samples and updates 5) a members only area where they will download the full PDF versions of the comics and stories 6) An age verification notification upon entering the site that the visitor must accept before entering. As an example, and an example ONLY, of the approach and appearance I like consider the following sites: [login to view URL]