In English, 'Unmei' Means 'Destiny'.A little boy asks why Santa Claus doesn't give him presents, which the reply is that he's poor. On December 24, Hayate Ayasaki is a sixteen-year-old boy who has been working hard earning money as a bicycle delivery boy for his good-for-nothing parents. He loses his job after his employer finds out he is still in high school, and his irresponsible parents spend the money he had earned. He rushes home and finds his parents are gone. Leaving him a debt of 156,804,000 yen as a Christmas present. Soon after, the Yakuza come, but he manages to break a window and escape. At Loser Park in an extremely desperate situation, Hayate tries to kidnap a wealthy young girl named Nagi Sanzenin standing by the vending machines who mistakes his action as a confession of love, but fails in his attempt. Later, Hayate saves her from other kidnappers when she yells out "HAYATE!". Nagi repays him by offering him a job as her new butler. However, overcome by injuries received during the rescue, Hayate collapses and is taken from the scene by Nagi's private helicopter. Therefore, the "Unmei" between the butler and mistress begins.