I don't really dislike any of the female characters, outside of maybe Louise because she has a difficult personality. I don't hate her though, she's insecure and has poor impulse control, and I've certainly been there in my life.
My favorites are Lena, Emma, and Cindy. I typically play Lena as a kind person, or somewhat adventurous, but not too mean. Emma is fun and friendly, I'd like to be her pal in real life. Cindy, I'm thinking with my dick there, but I also relate to where she's at in life, and I like her empathy when she lets it show.
The other ladies have pros and cons for me (mostly pros), but I'd lean toward those three. I'm also looking forward to see what Nat does in the coming episodes. She was my favorite in GGGB. I like fun vibes and a relaxed, enthusiastic attitude about sex, and she had that in spades, like Emma. Hopefully she hasn't changed too much and will be similar here.