The trick for this "bug" that many of us found is to start editing your models within Monkey cheat menu; and testing all her attributes and finding what you like that works best for your enjoyment. All while making sure to finish the interview and rating her, so that the system will start throwing you more models that are similar to what you changed in their attributes through Monkey...as you progress in Story do this to a few more models, because at first it may or may not work until you've actually had enough "days/interviews" Completed & Saved...once you reach a higher level you'll start getting more models that will be similar to what you like, just make sure to rate likes & dislikes properly.
An example is to practice in Story with a model and playing around with attributes, moods/traits, sexuality etc. within Monkey menu...Once you're happy give them only high ratings and dispatch the model to an agency; you can even save that model and reload her on the next interview and do it all over again (make sure to Save)...Just be aware that if you don't put a few lower ratings, then all your models may be TOO similar or a copy of the last...I like to sometimes not give them the highest rating once they start becoming more of what I like per interview...So to have more flavors once at higher levels in Story mode; this trick also seems to work in Custom modes. - Cheers
