The story isn't bad, it's just set up in a way that's way too repetitive, of the 12 scenarios you can get most of what actually matters just by playing 4 of them, the best options in my opinion being Yosuke, Mitsuru, Labrys and Elizabeth. (First two can be swapped out as you like for whichever P3 or P4 character you prefer) Would have benefited from being set up the same way the Ultimax story is, even if it did mean having canon winners.