Hanaukyou Maid-tai OVA
Genres: Comedy, Romance, Ecchi
Type: OVA, Episodes: 3
Aired: Sep 19, 2001 to Nov 7, 2001
Studio: Daume
Source: Manga
Rating: R+ - Mild Nudity
Synopsis:
In this three-episode OVA, Taro learns more about Cynthia`s life as herself and her alter-ego Grace. He also undergoes training with his bodyguard Konoe. And finally, Ikuyo dupes Taro in spending a whole day disguised as a maid.  

(Source: ANN)