Two Lovely Monsters

Tris and Rose are two of a kind. Best friends, vampires... Etc. But they're the first of their kind. Hunting down Rouges and taking in newborns is only one of their jobs. Tris has the job of the "Dark Lord" in which she takes the lives of beings who don't deserve it. Being the master swordsman she is that is never a problem. Rose on the other hand is the "Sun Goddess" she brings life and makes sure the beautiful sun is in the sky when it is needed. Along the way the girls run into 2 boys whom they fall deeply in love with. Being the lovely monsters they are what could go wrong in this twisted love story?