In the context of "paper," this may refer to the important letter from Prince Wales that Wardes steals at the end of the episode. Alternatively, if you are looking for a physical paper craft, there are "Louise-Carmen" inspired journal tutorials and pop-up wedding card guides available online. Floral Wedding Day Card With Pop Up
In this episode, the series' protagonist, Louise Françoise Le Blanc de La Vallière, is manipulated into a wedding ceremony that serves as a front for a political and magical trap. (Dub) 11 : Louise's Marriage
The reference to most likely refers to the 11th episode of the first season of the anime series The Familiar of Zero ( Zero no Tsukaima ). Episode Summary: "Louise's Marriage" In the context of "paper," this may refer