http://www.blogiswar.net/2012/11/14/izayoi-la-verdadera-forma-de-tsubaki-yayoi-sera-personaje-jugable-en-blazblue-chrono-phantasma/
Izayoi, new character confirmed! is the true form of Tsubaki yayoi... I'm not sure if is gonna be a final boss or something.. Nu13 and Mu12 where confirmed a while ago too...