Below I've put all of the things I'm interested in too. Personally, kidnapper/kidnapped is my favorite, but if you already have a partner for that or fele like one of the other pairings, feel free to chose whatever you want, I love all of them. Pm me please, I just joined so I can't send any...
I'm all about dark rps ^.^ I don't have any full ideas either, but I'm sure if you pm'd me, we could think of something suitably dark and interesting together. I would send one myself, but I only just joined.
Hey! I'd love to do a long term rp, I prefer darker things (kidnapper/victim, serial killers, that kinda stuff) If you'd like an rp like that, send a pm (I can't send them yet, I just joined)