The Entirety of Nature
Ren is currently settling in the Kuonji household and trying to get used to Shinra's antics and innuendo teasing both to him and her sister Miyu. However fed up being constantly teased by her sister Shinra, Miyu suggest a capture the flag competition in the Kuonji mansion, in which the winner can do whatever they want to the losers.
Aired 20/01/2008EP 3 - The Entirety of Nature
Kimi ga Aruji de Shitsuji ga Ore de
Based On a Visual Novel developed by Minato Soft.
Due to family troubles, Ren Uesugi and his sister, Mihato, leave their home. They end up moving to the city but find themselves with a lack of money. Somehow they are able to find work in the form of the Kuonji family's mansion, being employed as servants to the three sisters of the Kuonji family: Shinra, Miyu, and Yume. Being a servant also associates Ren with the mansion's additional servants and the Kuonji sisters' friends.
(Source: Wikipedia)