Himitsu to Hanazono  

Secret and Garden, 秘密と花園

The comedy manga centers on Muku, a 19-year-old housekeeper, who is invited for a live-in job position interview at a feared residence nicknamed the "devil's mansion." The mansion actually has a beautiful garden and two beautiful sisters who live in it. But scary screams can be heard inside the mansion, too?(Source: ANN)