After the conclusion of BlazBlue’s Evo 2017 tourney, Arc System Works revealed a dream collaboration title BlazBlue Cross Tag Battle featuring characters from BlazBlue: Persona 4 Arena, and Under Night In-Birth Exe: Late[st], and a guest with Ruby Rose from RWBY.
So far we have Ragna and Jun from BlazBlue, Yu Narukami from Persona 4 Arena, Hyde from Under Night In-Birth, and Ruby Rose from RWBY. We’ll have more characters announced later. As far as staff goes, Konomi Iguchi was revealed as the lead character designer.
BlazBlue Cross Tag Battle is expected to release on console in 2018. More details will arrive on a later date.