Kamen no Maid Guy

A 17-year-old high school student, Fujiwara Naeka, is one of two heirs to a tycoon's fortune, set to inherit it upon turning 18 in six months. To protect her and her brother, Kousuke, from those seeking their deaths and the fortune, two maids are assigned to them. Fubuki is a young and attractive maid, while Kogarashi is a tall, masked male maid.