After finishing Cassie's rescue storyline you can pay to turn her basement into a sex dungeon, after you get the sex dungeon you can buy equipment for it
Feed the all-knowing hobo until he tells you about someone selling counterfit passes, then get a massage from Lin Lin while owning a pass and she will tell you someone can upgrade your pass to make it identical to a real one
Not only do they value holding hands above any kind of sex stuff but there is also a couple holding hands in UNA, if you interact with them LD says it's scandalous