I'm a big RWBY fan, so I'd love to do any of these:

OC (Jett Ryu) x Ruby Rose 
OC (Gray Halseyon) x Weiss Schnee 
OC (Amarok Paladus) x Blake Belladonna 
OC (Amarok Paladus) x Yang Xiao Long 

I'm also a HUUUGE Soul Eater fan, so that's an option for me, too. I also wouldn't mind Pokemon!