.....yeah I kinda get that, I mean she even said all that about minako while in the restaurant, but that would mean she'll keep hurting minako, just now it would be on purpose since she wouldn't be so opposed to that guy using her, but that would mean that minako is going for the dumped route or the dumper route as well as losing her friendship with hara sensei...
Personally I don't like this types of messed up stories but once in a while there is this one story that somehow has an I don't know what that makes me want to read it even if the plot or the tags aren't my common or preferred to read ones....