^The picture came separate from the doujin. The artist used it later.
And just to point it out, this site doesn't reject futa. There are some futa images and doujins. We have yaoi on this site for crying out loud.
^I mean, you kinda already answered yourself. Homura thinks this look is the real her. Sorry if by "too fake" you thought I meant she didnt need the glasses originally. I just believe that her old look never suited her and was clearly something she just kept from her old self.
^ NTR involves the third party subjugating the targeted partner, through coercion or outright force or mental duress. This happens so the reader can have a sadistic, contemptuous enjoyment in destroying intimacy and stranding the intimate partner who has lost her or her partner to the offense.
So if you think the girl lying on the bed shaking with her face hidden was hustled into it and subjugated, that's NTR.