According to Neowing, the blu-ray and DVDs of Hyakka Ryoran: Samurai Girls
will include short OVA episodes "Hyakka Ryoran ~ Otome Ureshi Hazukashi Shoshi no Chigiri". It's a six-episode series and the first episode will be released on November 25th.
Hyakka Ryoran 2nd trailer
Hyakka Ryoran official website