Details on the production are currently scarce, but it is known that the new series is will be divided into two parts: a 6 episode prequel entitled YUKI YUNA IS A HERO – Washio Sumi Chapter, and a 6 episode sequel entitled YUKI YUNA IS A HERO – Hero Chapter.
For fans of YUKI YUNA IS A HERO – an original magical girl TV anime from 2014 that inspired spin-offs and prequels in the form of manga, light novels, and visual novels – the long wait is nearly over: a 2nd season of the TV anime has been announced for 2017.
Additionally, the prequel arc (which is based on the WASHIO SUMI IS A HERO manga) will receive a limited theatrical release in Japan in March of 2017 before the new series begins broadcasting.