A two-OVA anime series based off of the Princess Army manga. Classic shoujo, complete with a love triangle where the two guys involved are both friends and rivals, and figure into the heroine's past, though she doesn't realize it. Think Marmalade Boy with judo. Despite the title, there are no princesses, armies, or weddings, and the only combat is in the context of a judo class.
Also notable as the only anime in which the fansubber, Tomodachi Anime, felt the need to put a disclaimer during the first episode's ending credits, referring to a particularly nasty cliffhanger at the end of that episode.