I think that it is win for all of us involved. One can never get tired of seeing Erza in that black bikini. Of course, we are suppose to be focused on Mirajane, but the other Strauss sibling isn't too shabby either. She easily has a body on par with Lucy's. In the guild, I'd say that for their age group, both Lucy and Lisanna are the best while it's a three-way between Erza, Mira, and Cana for best body in their age group. Special mention to MILF Bisca for the 'older females' although personally I put Bisca and Ultear at the same tier.