Yeah, that settles it. Her hatred towards men in general due to their awful behavior drove her absolutely bonkers.
Kinda funny how she saw Gloria as a "traitor". Gloria, who found out that intercourse with the one you love is the way to go, not what the dominators have been doing so far.
Maybe I find it funny because not knowing love puts Midori & Co., sees men as nothing but savages,and dominators, who see women as nothing but sex objects, in the same place. Mashiro's right in saying that she's becoming what she hate.
As I said in the previous chapter following Midori's introduction, her being like this is kinda 'justified' since the dominators made her snap. Though, looking at how she treated Mashiro and Gloria as some kind of traitor, putting them in predicaments shown in current chapter, makes her progressively unredeemable...