It's a series that shouldn't have continued.
I see no reason for Masou Kishin when the very purpose of OG series was to be "the SRW of SRWs" and finally have one universe where Banpresto Originals are tied together. The only reason(speculation) I see is that it's a deal between Winkysoft and Bandai Namco to be able to use MaSou KiShin characters in exchange for job (aka the rebranding of MasouKishin to a "SRW OG Saga").
Oh, before you confuse yourself, OG series != OG Saga. Not sure if you make the distinction, but many people do.
I think they need to finish La Gias story so they could tie in the OG timeline later. Obviously they don't want to waste more time for La Gias, as we can see how it turned out in OGs 2nd, but then again I really like the Shuu DLC.
I just want to see all the Masoukishin machines in the glorious animation quality of OGs.
TOTP: Don't look for information regarding Danganronpa. Never. Play the games first.
Also, buy God Hand if you are in EU. It's a nice game that's on sale.