Note I intend to play the female of these pairings but im not opposed to playing the male if necessary.
Elf/Orc (wow styly or lotr)
Elf/Troll (Wow style)
Elf/Rouge hunter (elf or human)
Forced marrage between elf female and ruthless king.
Human male in modern day stumbles across an elf injured in a park/forrest near a campsite
Sci fi style elves in space ships meeting an alien life form, battle one from each side survives and need to find parts to repair their ships to get home.
Woman hits a werewolf in her car one night, drives back the next night to check if it's still there.
An ancient race hunt werewolves, a female warrior on her first hunt gets caught by the young prince of the werewolf clan.
dragon/human transformation (Dragon disguises himself into a human)
Dragon/slayer transformation (either dragon transforms into human as a disguise or magic changes the slayer into a dragon)
Dragon/Sacrifice, slow building love story.
Girl/cyborg (human or alien)
Girl/Alien - humanoid
girl/alien - gelatinous (liquid body)
Girl/Alien - beastial with speech
Girl/Alien - morph
( all the above but with a human male and female alien)
Jedi knight female and a bounty hunter
Jedi female and a Sith male
Human girl / Jedi
Male of high stature ( Ceo/lord/prince etc) meets a young homeless girl stealing from his (car/home/place of work/pockets/ She would be over 16 but not over 20)
female tourist gets lost in a foregn country (made up or real) where she is taken in by a man, they cant understand each other so they need another way to communicate.