A 50 minute video of upcoming Black Rock Shooter anime will be available for free via streaming. It is the the full length of the anime will be streamed for “everyone”. However, it did not specify if the stream will be available outside Japan.
The streaming is part of a promotional campaign that will run from June 25 to August 31. As the first part of the campaign, there will be a free DVD bonus extra for Hobby Japan magazine, which has a circulation of 160,000.
This comes from the official announcement on the website which also mention about the main seiyuu for the cast. More will be revealed
Mato Kuroi: Kana Hanazawa
Yomi Takanashi: Miyuki Sawashiro
The man who started The Banzai! Effect and Anime Banzai! (discontinued), took an avid interest in blogging and also photography. Integrating his interests with the likes of Japanese pop culture, he starts out his path on the blogging world 
Can’t wait for this show \(^o^)/