Following the passing of his mother, a 14-year-old boy named Taro travels to Tokyo to reside with his grandfather. However, upon arriving at his grandfathers home, he is astonished to discover that it is an opulent mansion with numerous skilled maids available to cater to his every need. Unfortunately for Taro, not only does he inherit the Hanaukyo mansion and its staff, but they are also obligated to provide him with round-the-clock service seven days a week.