D3 Publisher has a brand new Onechanbara game in the works, and it'll be ditching series heroine Aya for a pair of vampire sisters, Kagura and Saaya. I doubt many people will notice the difference, since anime children with massive breasts all tend to look the same.
Onechanbara Z: Kagura is the name of the game, and Famitsu says it will feature plenty of blood, which isn't exactly a radical departure for the series. It's planned as a 360 exclusive and is due to launch in Japan this Winter.
The last 360 Onechanbara to make it Stateside was pretty damn awful, which is hardly surprising from a game that chews a single gimmick like a dog does a bone. I can only hope Kaguara is good, but ... y'know.