Zero; Mizuki Akiyama; but it's left vague due to the insomnia during Black Friday in Germany post-Mizu5, thanks to the SNES era German gaming magazine's article with the "Die hübsche Reploidin Zero" part, Zero's Ambiguous Gender Identity didn't help; After watching a certain movie titled The Crying Game with the German dub during Black Friday, Here's to a successful sleep after the whole Mizu5 thing