Is this game super cruical to the story? Would it be fine if I skipped it?

Like, nothing is resolved at the end of this game, what am I missing? Like, the ending of Danganronpa 2: Goodbye despair only clears up who Izuru Kamakura is and how Junko made her reappearance, and the Danganronpa 3 anime just shows us Monacas defeat on the side, and in such a light that it seems unimportant. We dont get a look at how Nagito shapes Monaca into the next ultimate despair, or Komaru and Tokos journey to actually defeating her. It's such an unsatisfying ending for this game and I'm so disappo...

anyone...?

YES

How is Monaca able to move in her wheelchair? I ask this because the wheelchair doesn't appear to have any mechanism on it that allows the user to move it. My headcanon is that she maybe is using sort of buttons inside her shoes to move the wheelchair, but I don't know if I can make this headcanon with uncertainty as I will admit that there are some holes in it (like Monaca standing on foot when she reveals herself to not be disabled and the wheelchair not moving, even her toes would be pressing the butto...