Yes, I am excited. Thank you for asking. They're the Minimoto Clan, and we get another preview of what they'll be all about over on GCT's website.
From the post:
Raiko is one of the Unblessed, while technically an Ashigaru he has not yet earned the right to call himself a soldier of the Minimoto clan. When a soldier first joins the armies of Jyoto they are sent into the field without armour.