Wait. Someone has raws of this?
The whole tank is up on Sadpanda.
To give you a quick rundown on the futa content, just so you have a clearer idea of why it got dropped all those years back:
In chapter 4, Aya learns that Satomi, a futanari senpai who has since graduated, discovered that Sai was playing around with multiple girls, raped her and all the girls she had slept with and made her drink one of the girls' pee. In chapter 5, Satomi, who has since gotten married, returns and Aya (very stupidly) asks her to do the same things she did to Sai and the others back then because of that dumb "wants to be included" trope. Satomi goes along with it, letting Aya suck her off, but stops short of penetrating her, telling her that begging for it isn't the same as being raped against your will and condemning her for looking down on Sai and the others. Sai comes to the rescue, Satomi leaves, and of course, nobody mentions any of this again in the remaining chapters.
tl;dr It's basically that bit nobody likes from Octave but futa and somehow dumber