Customizing genitals of other characters as you meet them is on the todo list, and grows in priority thanks to requests like yours 'v' (Without your input I'd be making the game only for myself)
I thought the dating worked-- did you try waiting in the Cevrule Forest (click "Wait" and then select 24 hours)? There should be messages during the game saying "you have a date in 8 hours" too. I will see if it's working and fix it if not '>'/\