Every 30 years, a new princess is chosen from the Hime family to serve the Hayagami. The time has come again, but over these past years, records state not a single female has been born, save for one, the 15 año old Arata.
Ayasaki Hayate is only 16 years old when he's abandoned, leaving him to fend for himself against the yakuza, who are after his organs to settle his parents' massive gambling debt.