Historical, fantasy, magic, horror, supernatural, survival, vampires, demons, pirates, mutants, ghosts, romance (FxF, MxM, MxF) (Romance should be part of the plot and not the whole plot in itself), etc.
I have seen like twenty episodes of it so I know a litle about it. Did you think we should do with the original characters or that we should make our own and have about the same plot as fairy tail? :9