The OST is included with the Japanese version of the show in the Blu-Ray Box.
Got to listen to Chakra Destiny.
There is a season 2 coming
. Oddly it is starting with episodes 13 and 14 on DVD and Blu-ray.
The package release will also include a revised version of episodes 10-12 with several additional cuts as a bonus. Suzuki said that the schedule was "intense" for the anime's second half and there were parts the staff couldn't correct before the episodes aired.
The December issue of Young King Ours will reveal more information about the anime's sequel when it ships on October 30.
The 12th and final episode of the Drifters television anime in December featured an end card that teased a second season in "20XX." The final episode also showed an end card for "Act 13 Rewrite."
New character will show up in the Blu-Ray only episodes.
Haven't seen the ep 13/14 video previews, but they've been advertised in Japan already.
Watching the 13th episode now. Hopefully I can follow up on the next one.
Yeah they've done two OV As last I checked.
Every accusation by the GOP is ALWAYS a confession.
Been waiting for English subs for a bit since my Japanese isn't that par yet, but Oda going all theatrics is brilliant. 
Bought volume 4/5 and I took a peek at the 15th episode.
Shame it was DVD, but it was funny as hell.
Looks like IIRC that some fan translations have been done for the manga.
Not sure it's that for the chapters not released fully. Been away for a while.
6 volumes are out from Dark Horse. I need to read the sixth volume.
Looks like DH will finally release the other volumes to catch up with Japan.