If you're playing the newest stable build found on the front page of this thread, then the sex shop no longer opens up at the start of the game. Instead, it now unlocks at a later time as part of the story sometime after your aunt & cousin move out of your house.
I was tempted to just say... "well son, the birds n the bees....."
hehe but yeah its usually based on fertility % and depends on the pregnancy settings you selected when you made a game... no preg = no preg, so on so forth. That will affect the % as well. Age factors in, day of their most fertile time, etc etc... all depends on the settings you selected when you first started.
Have you tried talking to her in the "look at her wardrobe/what she's wearing" section and told her to stop wearing underwear or has that gone? I've not played latest version yet.
Is her sluttiness maxed out? I think if a girl's sluttiness is too low for an outfit, the Opinions just modify that, they don't completely cancel it out.
each girl has a different fertility modifier, on top of each of them have a different peak ferity time of the month during the weak of peak fertility they have their max fertility modifier, other wise pregnancy chance is just 1.0%
First you got to make 2 girls your girlfriend, then the option 'Ask her to join your harem' will be available. Though it should be updated to 'Ask her to join your Polycule'
