Class Rep was out the moment she started the "Investigation" since it was personal with nothing to do with being a Class Rep,
also it counts as sexual harassment.
A GB arch could be interesting, same premise as this short with only Fujimiya still female, the setup could change slightly to include the magical girls: the crew could have a cookout at a park, the doctors bring out their Gender BendinatorTM for funsies, Mamu and Maria(?) come to break up the...
So she was just going to casually murder a (perceived) civilian based entirely on unproven assumptions?
Sheesh, standards are slipping drastically these days.