It's Christmas Eve. Normally around this time, people prepare to celebrate this sacred holiday. However, there's one person in this world who won't have a Merry Christmas, and that person is an poor, unlucky boy named Hayate Ayasaki, when his aloof parents get a debt worth 156,804,000 yen (approximately 1.3 million US dollars) and sell Hayate to the Japanese mafia to pay it off!
Sh-Shoot, I automatically leapt 
out at them without thinking...
Ra-rayos, me abalancé 
sobre ellos sin pensarlo...
D-Droga, eu agi instintivamente.