Steve had an ass like...it could make Tony write sonnets if he did that sort of thing, he was sure. Really bad ones, with phrases like "unyielding spheres of rapture," so it was a good thing he's no poet.

From a prompt on Avengerkink. Thanks to a magical spell by invading aliens from another realm, Tony Stark becomes a woman...for three months. Obviously there's no way he's not going to take his new body for a test drive. And who better to help him with it that our very own Captain America, Steve Rogers, the straighter-than-a-ruler guy he's been falling in love with totally against his will and who's finally noticing him now...