At-freaking-last, or at least so says animeanime.jp. Dunno what “haishin” (配信) is, but “muryou” (無料) sounds good, even if for one episode only.
John also reports on the trailer, which is really just the stand-up act by Paki and Botatsky. BTW, the former touts a beaten-up “battlefield pick-up” 7.62×39 flat-top (e.g. including the lower that takes AK mags).