Yeah, i am not 100% sure as I said that I don't have any unity knowledge, but to me it looks like you used Patrick and Derek to store triggers for the overall system.

I would have liked it for the bisexual possibility and also for variety overall, but with a female player character i'd want it even ...

I tried to do it myself, but since I have absolutely no unity experience and the videos tackled other topics, I am going to ask:
Would it be possible to get 1-3 of the guys into the party too? Could still be an optional version.

My tries in unity revolved around copying one of the girls and then ...