I agree on "from Axel to Robert"; conversely, about Cherry going from Axel to Perry, it is a bit more complicated.
Don't get me wrong: in my main playthrough, Chad Ian has fucked the shit out of Cherry and Emma, and Perry is not even on the radar.
However, in playthroughs I have not saved (I think), Cherry getting closer to an aspiring visual artist like Perry, being herself an aspiring painter, kinda makes sense. She may not get the sex she got from Axel or Chad Ian, but the intellectual connection is deeper. Not my thing, not on one my saves (again I'd need to check) but respectable.