Keizaburou Ouchi

Keizaburou Ouchi (大内 啓三郎 Ōuchi Keizaburō) is the butler of Tsugumi Kuze and Hitaki Kuze who has refined manners and looks after Hitaki when Tsugumi is in the house. He worked for Kuze family for years and loves Tsugumi and Hitaki as their his own children. He took care of them since they were kids. He watches around the house and monitoring the activities of The Maids.

Etymology

 * The name Keizaburou means "open, begin" (啓) (keiza), "three" (三) (bu) and "son" (郎) (rou).
 * Keizaburou's surname Ouchi means "big, great" (大) (o) and "inside, within" (内) (uchi).