I think people misunderstood, I know it's not impossible, I'm entirely sure I can beat her, if given enough time. (Even if in my case, bug came in my way, making it way harder than it's supposed to be.)
But hear me out, while using a save is a thing, it kinda ruin the fun. To me there is still some sort of satisfaction of unlocking scene and discovering them as I play, but here, you have to struggle quite a lot just to get one, I find it annoying tbh.
I really wish there was just a difficulty option.