An unlucky boy named Santa was born on Christmas Eve whose parents don't even care about meets a santa- in- training girl name Mai. She is determined to wish him the best Christmas he will ever have and it gets even better when they fall in love with each other.<br><br> Mai, a Santa in training, appears in front of an unlucky boy named Santa, on Christmas Eve, promising him, she will make him happy for one night.<br><br>(Source: Anime News Network)