So I went through and wrote down every time Neo’s eyes change color, I thought there were only 5 or 6 at first, but there’s actually 17. I can’t tell if they’re all purposeful or not, but they’re very interesting, especially towards the end. When Neo is about to stab Yang, her pink eye turns grey? And then when fighting mystery lady, they turn back, but after realizing she cant fight mystery lady, they flicker between both usual ones, then turn grey.
And to note, in episode 4, they only appeared as this: