That sounds awesome! I really think adding unlockable routes would add so much to the replay-value of this game. I still really like my ideas of the "Bimbo/Mind Control" and "Milk/Mind Control" interactions, and even if they aren't exactly like how I outlined them (because this is YOUR game ofc, I really don't want to come off as a "backseat dev" lol) I would absolutely love to see some rendition of them in-game.
I really look forward to when you implement this, whatever form it comes in, and thanks for the response!