Maid Outfit

Maid Outfits (メイド服) are uniforms worn by maids, women who give service to others, and a recurring gag throughout the entire series.

Background
Tsuchimikado Motoharu uses this gag the most in an effort to tease Kanzaki Kaori and because of that she has gained an unwanted "legendary" rumor circulating. Motoharu openly claims his love for maid outfits to everyone and it is second only to his sister.

Appearances

 * 1) A professional and practical uniform by Tsuchimikado Maika.
 * 2) Fallen Angel Maid Outfit developed by Tsuchimikado Motoharu for Kanzaki Kaori.
 * 3) Erotic Fallen Angel Maid Outfit a redeveloped outfit after the first by Tsuchimikado Motoharu for Kanzaki Kaori.
 * 4) An outfit that give off the feeling of an English maid by Silvia consisting in goggles on her forehead, a thick material dark-colored jacket and an apron used for work.
 * 5) Great Spirit Revealing Maid Outfit obtained by the men of the Amakusa Christians for Itsuwa's "counterattack" against the Kaori's outfit.
 * 6) Little Devil Flirting Maid Outfit suggested by Agnese Sanctis and Angelene for Lucia after hearing and misinterpreting the conversation by Amakusas at the last supper before battle.
 * 7) Goddess Goth Maid Outfit obtained by Orsola Aquinas to be given to Sherry Cromwell only to try it on herself instead.
 * 8) A personal uniform by Kumokawa Maria.
 * 9) Uniform worn by Saten Ruiko (and an undercover Uiharu Kazari) at a part-time job at a maid café, the former uniform speculated to possibly be a cursed maid outfit (呪いのメイド服). While discussing the maid café, references were made to other variants of maid outfit, including the fallen angel, great spirit maid, goddess maid and little devil maid outfits.

Quotes

 * (By Kamachi Kazuma) "There are multiple types of beast maid outfits in this world."