Amazon has put up the product page for the Classics Blu-ray of the first season of Tokyo Ghoul, revealing the release date. According to the listing from the shopping website, the compilation will be coming out on the 11th of September in the North American region. If you are interested, you can preorder Tokyo Ghoul Season 1 Classics Blu-ray with this link from the online retailer. The front cover of the collection can be viewed with the image located just below this paragraph.
So, if you are a Tokyo Ghoul, then you might want to check out the Season 1 Classics Blu-ray release.