There's tons thrown in throughout the length of the game! There's a route map on my Discord if you want to check it out!
If you go home with Kate, you're in for a lot of booty. If you go home with Scarlett, you get a lot of boob scenes. And if you go home with Dee, she's a shortstack with a little bit of both, and there's a secret path for a threesome with Domino :P