Since 8th August in Japan is selled BUS GAMER DVD 1 Limited and Standard edition.
Here the extras within the DVD:

And the DVD itself:

On 9th August the new BUS GAMER chapter has been published. The chapter is the number 13.
I wasn't able to find something about the chapter 12 but the cutted illustration with Toki, posted by Kazuya Minekura in her blog ç_ç
The image above this update is the illustration that opens the new chapter 13! *__*

On 22nd August will be published the new Wild Adapter's chapter on Chara and the ZeroSum of 28th August will have the cover by Minekura.