It is the night before Christmas and Pink has finished decorating Kira Kira Shop. Ruby tells Pink about their version of Christmas day called Decoristmas, and wishes DecoSanta give them presents this year. However, in the morning, Ruby was disappointed and worse, the denizens of Jewel Town didn't get a visit from DecoSanta. As the DecoBus takes both of them to Decoristmas Mountains, Ruby and Pink wonder about their wishes to him...