Thread:Scroubignon/@comment-25040564-20150601190351

You don't need to unlock, except if you are meaning akatsuki kai ni then yes you have to bring her remodel 2 times (find more at remodel page)

About shouhou and poi rainy costume, just having them is enough, then put them as secretary ship, then in your main room you can see them with new outfits. Or if you want to see them in battle, then put them at any position in the fleet, in combat cut in, they will have their costume 