Saber tooth

Just a girl that is pretty important actually she is Natsu Dragneel's twin but theres a thing to it she is a Dragon slayer but bad enough her best friend is Gray the one of many people Natsu hate but she isn't in Fairy Tail she's in saber tooth and she is weird enough dating sting who has been the guild master for a while and the grand magic game's are coming up wow that's a lot to deal with and Natsu keeps trying to encourage her to get on Fairy Tails side but she refuses cause if she left saber tooth then she would leave sting and her life is just crazy.