Short specials included with the Blu-ray/DVD releases of the TV series.

After his mother passes away, Taro Hanaukyo is invited to his grandfather's home. There, he meets a beautiful maid named Mariel and finds out that his grandfather has retired to a remote island and has given him ownership of his estate. Taro also discovers that not only is the estate a colossal mansion, it has hundreds of gorgeous maids ready to serve him 24 hours a day, seven days a week.

Bundled with the 11th volume of Kanojo ga Flag wo Oraretara light novel.

Set in the land of Yuguto, the people thought that the land they live is the size of the world, but it's actually divided into several areas, each with a respective king. Even though there were small wars among areas, the kings had roundtable meetings to maintain peace and balance. It was until a dark group of dark monsters appeared... (Source: MAL News)