Synopsis

When 3rd year middle-schooler Hanaukyo Tarou's mom died, he moved to live with his grandfather in Tokyo.
When he gets there, he is stunned by the gigantic mansion with it's countless maids.
He is the grandchild of the incredibly rich Hanaukyo Family's head, Hanaukyo
Hokusai. But also, since Hanaukyo Hokusai has no heir, Tarou becomes head of the Hanaukyo family, which is controlling half Japan!

The maids who look after Tarou are: Mariel, the chief maid, Tsurugi Konoye, who is in charge for security, Suzuki Ikuyo, in charge of arts and Grace, the computer expert and many more. Those specialist maids, all having special skills, form the Haunaukyo Maid Squad.
And their only duty is to 'Serve Master Tarou!'