Poor Hayate Ayasaki is responsible for repaying his parents' 150 million yen debt. One Christmas, he meets a girl named Nagi, and after a series of misunderstandings, he somehow ends up working as her butler. Nagi covers for Hayate's debt, but has Hayate dug himself deeper into a different kind of hole? A hilarious tale of butlers, love and battles (?!).

Nagi has lost her vast fortune, but she has a plan to survive (without, you know, working): turn her home into a boardinghouse and launch this manga into a new era of wacky hijinks. When Chiharu runs away from home, it looks like Nagi may have netted her first tenant—aside from the vengeful ghost cat, that is…