From Masada's latest tweets on Twitter
https://twitter.com/masada_takashi
Senshinkan apparently will use the old single protagonist style again (with the other 7 being allies) and multiple heroines, so no multiple protagonist system like KKK. And the enemy would be about 3 times as many.
Also, looks like Shinza Bansho Series will be the official naming for the past 3 works. Seems to be a poke to one of
Bandai's thing