A kinetic would fit, thus having the plot stick to the anime roots. It'd have to be longer of course, with much detail given to the characters. I'm guessing with this approach, there'd be arcs much like in the anime, with appropriate characters explored, for example each of the girls in GirlDeMo at the start right next to Iwasawa's or Naoe's by the time the SSS are fighting him.
And then this basically throws multiple girl capture routes out the window for the true Kanade ending
