Hey, hope you're otherwise enjoying the VN!
There's absolutely more freaky stuff, but Sam's Event scenes are a bit more particular than others because of the way they like to spend their time; their life doesn't revolve around Rael, after all! The right Origin choices help you get things going with Sam faster, but I try not to spell things out for readers here. Half the fun is in the discovery!
Though the other readers on the discord are usually very happy to share solutions, heh heh.