Hanaukyou Maid-tai OVA

花右京メイド隊

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: Anime News Network)