Mr. Bump and his friends are having a Christmas Party and everyone's invited, though somehow except Fat Cat and he does all he can to ruin the party to make everyone miserable. Will the new neighbor Little kids, Tom and Lucy Little, bring Christmas Cheer to Tokyo?
- Antagonist: Fat Cat and Death Busters
- This is the first time any of the KNS Members actually do befriend a Little.
- This is the first appearance of Tom, Lucy, and Grandpa Little.
- Lumpkins Roasting on an Open Fire, Red Sleigh Below, Vampire Xmas Tale, and Trick of the Magi are referenced here.